{"title":"Powersports Wiring \u0026 Accessories","description":null,"products":[{"product_id":"xsp320-311-vcm-gm-si","title":"XS Power XSP320-311- VCM\/GM “SI” Power Module","description":"\u003cp\u003eFactory GM vehicles with active voltage management systems require a specialized interface, and the \u003cstrong\u003eXS Power XSP320-311 VCM\/GM SI\u003c\/strong\u003e is purpose-built for exactly that application. This \u003cstrong\u003evoltage control module\u003c\/strong\u003e communicates properly with GM Smart Idle technology, allowing you to add secondary battery capacity without triggering charging system warnings or throttling amplifier voltage to 16V rail demands.\u003c\/p\u003e\u003ch3\u003eGM-Specific Isolation Without Compromise\u003c\/h3\u003e\u003cp\u003eStandard \u003cstrong\u003ebattery isolator\u003c\/strong\u003e modules can clash with GM ECM charging strategies, but the XSP320-311 VCM\/GM SI is engineered to play nice with those factory systems. It functions as a true \u003cstrong\u003edual battery isolator\u003c\/strong\u003e and \u003cstrong\u003ecar audio power module\u003c\/strong\u003e in one unit, giving GM owners the ability to run auxiliary audio batteries without fighting the vehicle computer. A must-have for any GM-platform build where secondary battery power is on the plan.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eType\u003c\/td\u003e\n\u003ctd\u003eDash-Mounted Voltage Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eBlue LED Readout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Compatibility\u003c\/td\u003e\n\u003ctd\u003eMade for GM “SI” Alternators - 1969 to 1988\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eWiring Harness\u003c\/td\u003e\n\u003ctd\u003eCustom Wiring Harness Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eSystem Voltage\u003c\/td\u003e\n\u003ctd\u003eWorks With 12, 14, or 16-Volt Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Type\u003c\/td\u003e\n\u003ctd\u003eCompatible With Stock \u0026amp; Aftermarket Alternators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831155724333,"sku":"XSP320-311","price":179.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XSP320-311-turn.jpg?v=1780721601"},{"product_id":"big3rd-kit","title":"XS Power BIG3RD Kit","description":"\u003cp\u003eThe \u003cstrong\u003eXS Power BIG3RD Kit\u003c\/strong\u003e is everything you need to complete a proper \u003cstrong\u003ebig 3 upgrade\u003c\/strong\u003e on your vehicle in one box. Upgrading the three critical charging system cables — ground to chassis, ground to engine block, and alternator positive — is the single most impactful wiring improvement a car audio installer can make, and this kit delivers that upgrade with quality \u003cstrong\u003ehigh current power wire\u003c\/strong\u003e sized for real amplifier installs.\u003c\/p\u003e\u003ch3\u003eThe Foundation Every Car Audio System Deserves\u003c\/h3\u003e\u003cp\u003eBefore you drop money on a second battery or a bigger alternator, do the big 3. The BIG3RD Kit provides premium \u003cstrong\u003ebattery cable\u003c\/strong\u003e runs and matched terminations so your charging system can actually deliver the current your amplifiers demand. Cleaner grounds mean lower noise floor, tighter bass, and less voltage sag during hard hits — the results are immediate and unmistakable on any \u003cstrong\u003eamp wiring kit\u003c\/strong\u003e-equipped system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831155757101,"sku":"BIG3-RD","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/BIG3RD-turn.jpg?v=1780721607"},{"product_id":"big3xp-kit","title":"XS Power BIG3XP Kit","description":"\u003cp\u003eReady to unlock your charging system's full potential? The \u003cstrong\u003eXS Power BIG3XP Kit\u003c\/strong\u003e contains premium \u003cstrong\u003ebig 3 upgrade\u003c\/strong\u003e wiring engineered specifically to complement XS Power batteries and high-demand car audio systems. Every factory charging cable in your vehicle is undersized for serious amplifier loads, and this \u003cstrong\u003eamp wiring kit\u003c\/strong\u003e corrects that from the ground up.\u003c\/p\u003e\u003ch3\u003eHigh-Current Wiring for Serious Builds\u003c\/h3\u003e\u003cp\u003eThe BIG3XP Kit uses \u003cstrong\u003eOFC power cable\u003c\/strong\u003e and heavy-gauge terminations to minimize resistance in your alternator-to-battery-to-chassis circuit. With lower resistance comes lower voltage drop, tighter amp performance, and a charging system that can actually keep pace with aggressive audio setups. Pair it with any XS Power battery and you will hear the difference from the first track — quality \u003cstrong\u003ehigh current power wire\u003c\/strong\u003e truly matters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831155789869,"sku":"BIG3XP","price":89.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/BIG3XP-turn.jpg?v=1780721613"},{"product_id":"akxp0-1-amp-kit","title":"XS Power AKXP0-1 AMP Kit","description":"\u003cp\u003eThe \u003cstrong\u003eXS Power AKXP0-1 AMP Kit\u003c\/strong\u003e is a complete \u003cstrong\u003eamp wiring kit\u003c\/strong\u003e built around thick \u003cstrong\u003e1\/0 gauge wire\u003c\/strong\u003e for installations where power delivery cannot be left to chance. This kit bundles the \u003cstrong\u003eOFC power cable\u003c\/strong\u003e, ground wire, signal cables, and hardware needed to connect a large amplifier from battery to speaker without compromise.\u003c\/p\u003e\u003ch3\u003eEverything in One Box for 1\/0 Amplifier Installs\u003c\/h3\u003e\u003cp\u003eSourcing individual components for a high-current amplifier run wastes time and risks mismatched wire gauges or poor connectors. The AKXP0-1 takes the guesswork out of the equation with matched \u003cstrong\u003ecar audio power wire\u003c\/strong\u003e and terminations designed to work together. Ideal for single-amplifier big-bass builds or as the foundation for a multi-amp system where \u003cstrong\u003ehigh current power wire\u003c\/strong\u003e is required throughout the run.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831155986477,"sku":"AKXP0-1","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/AKXP0-1-turn-1.jpg?v=1780721625"},{"product_id":"akxs0-1-amp-kit","title":"XS Power AKXS0-1 AMP Kit","description":"\u003cp\u003eWhen the amplifier is big and the install demands the very best, the \u003cstrong\u003eXS Power AKXS0-1 AMP Kit\u003c\/strong\u003e answers with premium XS FLEX \u003cstrong\u003e1\/0 gauge wire\u003c\/strong\u003e and everything required for a clean, high-current amplifier installation. At 11 lbs of included hardware, this is a comprehensive \u003cstrong\u003eamp wiring kit\u003c\/strong\u003e built for serious systems.\u003c\/p\u003e\u003ch3\u003eXS FLEX Wire for Maximum Conductivity\u003c\/h3\u003e\u003cp\u003eThe AKXS0-1 pairs XS Power's flexible \u003cstrong\u003eOFC power cable\u003c\/strong\u003e with matched ground wire, ring terminals, and signal wiring to create a complete amplifier power run from start to finish. The \u003cstrong\u003ehigh current power wire\u003c\/strong\u003e in this kit handles sustained high-wattage loads without overheating or voltage drop, making it a natural fit for competition-grade single-amp installs and demanding daily-driver builds alike.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831156084781,"sku":"AKXS0-1","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/AKXS0-1-turn.jpg?v=1780721630"},{"product_id":"akxs4-1-amp-kit","title":"XS Power AKXS4-1 AMP Kit","description":"\u003cp\u003eThe \u003cstrong\u003eXS Power AKXS4-1 AMP Kit\u003c\/strong\u003e is an XS FLEX-based \u003cstrong\u003eamp wiring kit\u003c\/strong\u003e tailored for mid-power amplifier installations where 4-gauge conductors cover the current demand without the bulk of larger wire. Compact in weight but serious in construction, it delivers clean \u003cstrong\u003ecar audio power wire\u003c\/strong\u003e runs for amplifiers in the middle of the power spectrum.\u003c\/p\u003e\u003ch3\u003e4-Gauge XS FLEX Wiring Done Right\u003c\/h3\u003e\u003cp\u003eNot every build needs 1\/0 wire, and the AKXS4-1 recognizes that. It packages premium \u003cstrong\u003eOFC power cable\u003c\/strong\u003e in a 4-gauge format alongside ground wire and terminations sized for the same gauge, so the entire current path is balanced and low-resistance. A dependable \u003cstrong\u003ebattery cable\u003c\/strong\u003e solution for single-amplifier installs, component systems, and builds where a clean, professional wiring job is the goal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831156117549,"sku":"AKXS4-1","price":109.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/AKXS4-1-turn.jpg?v=1780721635"},{"product_id":"akxp4-1-amp-kit","title":"XS Power AKXP4-1 AMP Kit","description":"\u003cp\u003eThe \u003cstrong\u003eXS Power AKXP4-1 AMP Kit\u003c\/strong\u003e packs an XP FLEX-based \u003cstrong\u003eamp wiring kit\u003c\/strong\u003e into a lightweight package for 4-gauge amplifier installations. Everything needed to run a mid-power amplifier from battery terminal to amp inputs is included, using quality \u003cstrong\u003ecar audio power wire\u003c\/strong\u003e that meets the demands of daily-driver and enthusiast builds equally well.\u003c\/p\u003e\u003ch3\u003eClean 4-Gauge Runs Without the Hassle\u003c\/h3\u003e\u003cp\u003eLoose wire, mismatched connectors, and under-spec fuse holders create problems that show up as noise, heat, and poor amp performance. The AKXP4-1 eliminates those variables by bundling matched \u003cstrong\u003eOFC power cable\u003c\/strong\u003e, ground wire, and hardware in a single kit. Pair it with an XS Power battery and you have a solid amplifier power foundation that installs quickly and performs reliably over the long haul.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831156150317,"sku":"AKXP4-1","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/AKXP0-1-turn.jpg?v=1780721640"},{"product_id":"akxs8-1-amp-kit","title":"XS Power AKXS8-1 AMP Kit","description":"\u003cp\u003eFor compact amplifier installations and component-level builds, the \u003cstrong\u003eXS Power AKXS8-1 AMP Kit\u003c\/strong\u003e delivers an XS FLEX-based \u003cstrong\u003eamp wiring kit\u003c\/strong\u003e at 8-gauge sizing where the current draw matches the conductor. Clean connectors, quality insulation, and proper conductor material make this kit the right starting point for smaller amplifier installs done the right way.\u003c\/p\u003e\u003ch3\u003e8-Gauge XS FLEX Quality for Compact Builds\u003c\/h3\u003e\u003cp\u003eSmall amplifiers still deserve quality \u003cstrong\u003ecar audio power wire\u003c\/strong\u003e. The AKXS8-1 packages XS FLEX \u003cstrong\u003eOFC power cable\u003c\/strong\u003e with matched ground wire and terminations so every part of the current path is properly rated. Whether you are powering a component set, a mid-range mono amp, or filling out a multi-amp system with a secondary run, this kit ensures your \u003cstrong\u003ebattery cable\u003c\/strong\u003e infrastructure matches your audio goals.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831156183085,"sku":"AKXS8-1","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/AKXS8-1-turn.jpg?v=1780721646"},{"product_id":"akxp8-1-amp-kit","title":"XS Power AKXP8-1 AMP Kit","description":"\u003cp\u003eThe \u003cstrong\u003eXS Power AKXP8-1 AMP Kit\u003c\/strong\u003e is an XP FLEX-based \u003cstrong\u003eamp wiring kit\u003c\/strong\u003e in 8-gauge configuration — a smart choice for smaller amplifiers, signal processors, or secondary power runs in a more complex install. Quality \u003cstrong\u003ecar audio power wire\u003c\/strong\u003e and pre-matched hardware mean you spend time building, not hunting for compatible parts.\u003c\/p\u003e\u003ch3\u003e8-Gauge Power Wire, XS Power Quality\u003c\/h3\u003e\u003cp\u003eThe AKXP8-1 gives installers a convenient, all-in-one 8-gauge wiring solution built on XP FLEX \u003cstrong\u003eOFC power cable\u003c\/strong\u003e. Flexible insulation makes routing through tight door panels and firewalls far less frustrating than stiff-jacketed alternatives, while the matched ground wire and terminations keep the installation looking as good as it performs. An honest, capable \u003cstrong\u003ebattery cable\u003c\/strong\u003e kit for builds where 8-gauge is the right call.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831156215853,"sku":"AKXP8-1","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/AKXP8-1-turn-1.jpg?v=1780721651"},{"product_id":"rk2ga-2-cable-kit","title":"XS Power RK2GA-2 Cable Kit","description":"\u003cp\u003eThe \u003cstrong\u003eXS Power RK2GA-2 Cable Kit\u003c\/strong\u003e is a ready-to-install \u003cstrong\u003ebig 3 upgrade\u003c\/strong\u003e wiring set for two-battery car audio systems that need reinforced ground and power runs. Thoughtfully bundled with the hardware for dual-battery setups, it takes the complexity out of sourcing matched \u003cstrong\u003ehigh current power wire\u003c\/strong\u003e for your specific layout.\u003c\/p\u003e\u003ch3\u003eTwo-Battery Wiring Simplified\u003c\/h3\u003e\u003cp\u003eDual-battery car audio installs require more wire, more terminations, and more planning than a single-battery run — the RK2GA-2 accounts for all of it. Premium \u003cstrong\u003eOFC power cable\u003c\/strong\u003e and matched battery cables allow you to connect your alternator, primary battery, and secondary battery in one clean, low-resistance circuit. A solid foundation for any system where one XS Power battery is not quite enough.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831156248621,"sku":"RK2GA-2","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/RK2GA-2-turn.jpg?v=1780721657"},{"product_id":"rk2ga-1-cable-kit","title":"XS Power RK2GA-1 Cable Kit","description":"\u003cp\u003eThe \u003cstrong\u003eXS Power RK2GA-1 Cable Kit\u003c\/strong\u003e delivers a compact, focused \u003cstrong\u003ebig 3 upgrade\u003c\/strong\u003e solution for single-battery systems that need stronger charging system wiring without a full dual-battery layout. Pre-terminated and matched in gauge throughout, this \u003cstrong\u003eamp wiring kit\u003c\/strong\u003e companion makes the most critical wiring improvement in car audio simple and approachable.\u003c\/p\u003e\u003ch3\u003eUpgrade Your Charging System Ground Up\u003c\/h3\u003e\u003cp\u003eThe stock wiring in most vehicles was never designed to support aftermarket amplifiers, and the RK2GA-1 corrects that gap with quality \u003cstrong\u003eOFC power cable\u003c\/strong\u003e runs sized for real current demands. Replacing undersized factory cables with heavy \u003cstrong\u003ebattery cable\u003c\/strong\u003e conductors lowers resistance, steadies voltage, and gives every component in the system more consistent power — benefits that are audible from the very first listen.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831156346925,"sku":"RK2GA-1","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/RK2GA-1-turn.jpg?v=1780721663"},{"product_id":"xp-flex-red-2awg-cable","title":"XS Power XP FLEX Red 2AWG Cable","description":"\u003cp\u003eThe \u003cstrong\u003eXS Power XPFLEX2RD-100\u003c\/strong\u003e is 100 feet of 2AWG XP FLEX \u003cstrong\u003ecar audio power wire\u003c\/strong\u003e in red, built for high-power amplifier runs that outgrow 4-gauge capacity. At 2-gauge, this \u003cstrong\u003eOFC power cable\u003c\/strong\u003e carries serious current without the voltage drop that robs big amplifiers of their headroom, making it the right choice for builds in the upper-wattage range.\u003c\/p\u003e\u003ch3\u003e2AWG Red XP FLEX for High-Power Installs\u003c\/h3\u003e\u003cp\u003eBridging a large mono amp into a big subwoofer? Running long power cable distances to a rear-mounted battery? The XPFLEX2RD-100 handles both scenarios with \u003cstrong\u003ehigh current power wire\u003c\/strong\u003e quality that does not compromise on flexibility. Fine-stranded construction means this 2-gauge spool routes through firewall and under-carpet runs with far less effort than rigid alternatives, while the red jacket keeps polarity instantly clear throughout the install.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831156641837,"sku":"XPFLEX2RD-100","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XPflex-2AWG-Red-turn.jpg?v=1780721700"},{"product_id":"xp-flex-black-2awg-cable","title":"XS Power XP FLEX Black 2AWG Cable","description":"\u003cp\u003eThe \u003cstrong\u003eXS Power XPFLEX2BK-100\u003c\/strong\u003e is 100 feet of 2AWG XP FLEX \u003cstrong\u003ecar audio power wire\u003c\/strong\u003e in black — the ground-run complement to any 2-gauge red power cable in a high-current audio system. Matching conductor size on both positive and negative runs is essential for balanced current delivery, and this spool makes it straightforward.\u003c\/p\u003e\u003ch3\u003eHeavy-Gauge Black Ground Wire for Serious Systems\u003c\/h3\u003e\u003cp\u003eA 2-gauge ground is only as good as the wire you use, and the XPFLEX2BK-100 uses fine-stranded \u003cstrong\u003eOFC power cable\u003c\/strong\u003e construction throughout. Low resistance across the ground path means amplifiers operate at their designed voltage levels rather than fighting a weak return circuit. This spool of premium \u003cstrong\u003ehigh current power wire\u003c\/strong\u003e belongs in any big-three upgrade, competition build, or high-wattage daily driver where the ground path needs to match the power path.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831156707373,"sku":"XPFLEX2BK-100","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XPflex-2AWG-Black-turn.jpg?v=1780721705"},{"product_id":"xp-flex-black-1-0-cable","title":"XS Power XP FLEX Black 1\/0 Cable","description":"\u003cp\u003eWhen the amplifier is large and the power run demands the most capable conductor available, the \u003cstrong\u003eXS Power XPFLEX0BK-50\u003c\/strong\u003e answers with 50 feet of 1\/0 AWG XP FLEX \u003cstrong\u003ecar audio power wire\u003c\/strong\u003e in black. This is the ground-run material for the biggest car audio builds — the spool that SPL competitors and high-end daily builders reach for when current capacity is non-negotiable.\u003c\/p\u003e\u003ch3\u003e1\/0 Gauge Black XP FLEX for Maximum Current Capacity\u003c\/h3\u003e\u003cp\u003eThe XPFLEX0BK-50 packs exceptional current-carrying capability into a surprisingly flexible package. Fine-stranded \u003cstrong\u003eOFC power cable\u003c\/strong\u003e construction keeps the 1\/0 jacket from becoming the stiff, unmanageable wire that lesser conductors turn into in cold weather or tight routing paths. Fifty feet of premium \u003cstrong\u003e1\/0 gauge wire\u003c\/strong\u003e is the right quantity for a complete ground run in most builds — plenty of material for a professional-quality, low-resistance ground path.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831156772909,"sku":"XPFLEX0BK-50","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XPflex-0G-Black-turn.jpg?v=1780721710"},{"product_id":"xp-flex-red-1-0-cable","title":"XS Power XP FLEX Red 1\/0 Cable","description":"\u003cp\u003eThe \u003cstrong\u003eXS Power XPFLEX0RD-50\u003c\/strong\u003e is 50 feet of 1\/0 AWG XP FLEX \u003cstrong\u003ecar audio power wire\u003c\/strong\u003e in red — the positive-run spool that powers the most demanding amplifier installations on the market. At 1\/0 gauge with \u003cstrong\u003eOFC power cable\u003c\/strong\u003e construction, this wire is the standard choice for competition audio builds and any daily system where wattage numbers are in the stratosphere.\u003c\/p\u003e\u003ch3\u003eRed 1\/0 XP FLEX for Competition-Grade Power Runs\u003c\/h3\u003e\u003cp\u003eSPL competition vehicles, wall builds, and multi-kilowatt daily systems all share one requirement: a power cable that can deliver current without turning into a resistive bottleneck. The XPFLEX0RD-50 fills that role with flexible stranding that routes through factory grommets far more easily than rigid-conductor alternatives. A 50-foot spool of the best \u003cstrong\u003ehigh current power wire\u003c\/strong\u003e in XS Power's lineup — the positive run your build has been waiting for.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831156805677,"sku":"XPFLEX0RD-50","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XPflex-0G-Red-turn.jpg?v=1780721716"},{"product_id":"xp-flex-blue-1-0-cable","title":"XS Power XP FLEX Blue 1\/0 Cable","description":"\u003cp\u003eThe \u003cstrong\u003eXS Power XPFLEX0BL-50\u003c\/strong\u003e brings 1\/0 AWG XP FLEX \u003cstrong\u003ecar audio power wire\u003c\/strong\u003e in a bold blue jacket for builders who want maximum conductor capacity with a custom look. Whether you are color-coding a competition vehicle, building a distinctive daily driver, or simply want blue wire for a secondary power run, this \u003cstrong\u003eOFC power cable\u003c\/strong\u003e spool delivers 1\/0 performance without compromise.\u003c\/p\u003e\u003ch3\u003eBlue 1\/0 XP FLEX: Competition Capacity, Custom Style\u003c\/h3\u003e\u003cp\u003eThe XPFLEX0BL-50 is the same high-strand-count, flexible 1\/0 wire found in the red and black XP FLEX spools, just in blue. Fine-stranded construction keeps this heavy-gauge \u003cstrong\u003ehigh current power wire\u003c\/strong\u003e workable in cold installs and tight routing paths where solid conductors would fight back. Fifty feet is the right quantity for a full power run or a serious \u003cstrong\u003ebig 3 upgrade\u003c\/strong\u003e where every cable needs to match the performance potential of the system it is feeding.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831156838445,"sku":"XPFLEX0BL-50","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XPflex-0G-Blue-turn.jpg?v=1780721721"},{"product_id":"500-heat-wrap","title":"XS Power 500 - Heat Wrap","description":"\u003cp\u003eProtecting your wiring investment starts with the right shielding, and the XS Power 500 Heat Wrap is purpose-built for exactly that. Designed to shield battery cables, power runs, and associated car audio hardware from radiant engine heat, this accessory fits naturally into any dual battery isolator setup or high-output system where heat management is a real concern.\u003c\/p\u003e\u003cp\u003eWhether you are routing a power cable close to an exhaust manifold or protecting a voltage control module harness from under-hood temperatures, the XS Power 500 keeps critical wiring safe and performing reliably for the long haul. It is a small investment that makes a significant difference in the durability of any car audio power module installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831157362733,"sku":"500","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/500-turn.jpg?v=1780721791"},{"product_id":"xsp313","title":"XS Power XSP313 Power Module","description":"\u003cp\u003eThe XS Power XSP313 is a purpose-built car audio power module designed to manage and isolate power in multi-battery vehicle electrical systems. When your build demands a clean separation between the starting battery and the audio bank — whether for a daily-driver with a demanding stereo or a competition rig — the XSP313 delivers the intelligent control that a simple relay cannot match.\u003c\/p\u003e\u003cp\u003eFunctioning as a dual battery isolator, the XSP313 ensures your cranking battery stays protected while your audio system draws from a dedicated reserve. It integrates cleanly into existing wiring and is equally at home in street builds and show vehicles that need dependable voltage control across multiple power sources.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eType\u003c\/td\u003e\n\u003ctd\u003eHarness for XSP 310\/320 Digital Voltage Controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eGM “D” \u0026amp; “AD” 4-Pin Alternators – 1995 to 2008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831157395501,"sku":"XSP313","price":59.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XSP313-turn_7832e9f1-9418-4f5e-b70d-8dd89cbe10b1.jpg?v=1780721796"},{"product_id":"xsp312","title":"XS Power XSP312 Power Module","description":"\u003cp\u003eDual-battery builds demand more than heavy wire and a good fuse — they need smart power management, and the XS Power XSP312 delivers it. This car audio power module controls current flow between batteries so your system draws what it needs without ever leaving you stranded with a dead cranking battery.\u003c\/p\u003e\u003cp\u003eThe XSP312 operates as a reliable dual battery isolator, making it ideal for daily-driver installs where the main battery must stay protected while a secondary cell powers the amplifiers. Clean installation, intelligent voltage control, and XS Power engineering behind it — the XSP312 is the kind of voltage control module that makes the rest of your build work the way it should.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eType\u003c\/td\u003e\n\u003ctd\u003eHarness for XSP 310\/320 Digital Voltage Controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eGM “SI” Series Alternators – 1969 to 1988\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831157428269,"sku":"XSP312","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XSP312-turn_c609b9f3-b541-4c34-ba05-07b6863ef665.jpg?v=1780721801"},{"product_id":"xsp320-313","title":"XS Power XSP320-313 Power Module","description":"\u003cp\u003eThe XS Power XSP320-313 bundles two of the most critical power management functions into one cohesive solution. Acting as both a dual battery isolator and a voltage control module, this car audio power module is engineered for high-voltage builds where a 16V electrical system needs intelligent oversight to perform reliably across every condition.\u003c\/p\u003e\u003cp\u003eInstallers running XS Power 16V batteries will find the XSP320-313 is a natural pairing — it handles the inter-battery communication that keeps charging balanced and draw properly allocated. From weekend competition events to year-round daily use, this power module keeps your car audio power module chain operating exactly as engineered.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eType\u003c\/td\u003e\n\u003ctd\u003eDash-Mounted Voltage Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eLED Readout\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Compatibility\u003c\/td\u003e\n\u003ctd\u003eGM “D” \u0026amp; “AD” 4-Pin Alternators – 1995 to 2008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eWiring Harness\u003c\/td\u003e\n\u003ctd\u003eCustom Harness Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eSystem Voltage\u003c\/td\u003e\n\u003ctd\u003e12, 14, or 16-Volt Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Type\u003c\/td\u003e\n\u003ctd\u003eStock \u0026amp; Aftermarket Alternators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0857\/5339\/7524\/files\/XSpower-1YR-Warranty.pdf?v=1709757246\" rel=\"nofollow\"\u003e1 Year Warranty\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831157493805,"sku":"XSP320-313","price":179.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XSP320-313-turn.jpg?v=1780721813"},{"product_id":"xsp320-312","title":"XS Power XSP320-312 Power Module","description":"\u003cp\u003eFor builders pairing an XSP320 with an XSP312 in the same system, the XS Power XSP320-312 power module is the integrated answer. It coordinates the voltage control module function between both units, ensuring seamless dual battery isolator operation in a 16V car audio environment without the guesswork of matching separate components.\u003c\/p\u003e\u003cp\u003eWhether your goal is maximum SPL output, clean daily-driver performance, or a competition build that has to start every time, the XSP320-312 keeps your electrical system running as a unified whole. XS Power engineering means it is built to handle the kind of sustained high-current demands that expose weaknesses in lesser car audio power module setups.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eType\u003c\/td\u003e\n\u003ctd\u003eDash-Mounted Voltage Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eLED Readout\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Compatibility\u003c\/td\u003e\n\u003ctd\u003eGM “CS” Alternators – 1986-1997\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eWiring Harness\u003c\/td\u003e\n\u003ctd\u003eCustom Harness Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eSystem Voltage\u003c\/td\u003e\n\u003ctd\u003e12, 14, or 16-Volt Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Type\u003c\/td\u003e\n\u003ctd\u003eStock \u0026amp; Aftermarket Alternators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0857\/5339\/7524\/files\/XSpower-1YR-Warranty.pdf?v=1709757246\" rel=\"nofollow\"\u003e1 Year Warranty\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831157526573,"sku":"XSP320-312","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XSP320-312-turn.jpg?v=1780721819"},{"product_id":"xsp311","title":"XS Power XSP311 Power Module","description":"\u003cp\u003eDialing in your multi-battery system starts with a power module that understands the demands of serious car audio — and the XS Power XSP311 is exactly that. Designed to function as a dual battery isolator in builds where two power sources need to coexist without robbing each other, the XSP311 brings intelligent voltage control module logic to even complex electrical configurations.\u003c\/p\u003e\u003cp\u003eDaily-driver installs benefit from its battery protection logic, while competition vehicles appreciate its ability to keep power delivery consistent under sustained load. The XSP311 integrates cleanly with XS Power batteries and complements any high-current car audio power module arrangement you are running under the hood or in the trunk.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eType\u003c\/td\u003e\n\u003ctd\u003eHarness for XSP 310\/320 Digital Voltage Controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eGM “SI” Series Alternators – 1969 to 1988\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831157559341,"sku":"XSP311","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XSP311-turn_5037cd3a-2b14-422c-b4e4-6b8bdf84321e.jpg?v=1780721824"},{"product_id":"xsp310-313","title":"XS Power XSP310-313 Power Module","description":"\u003cp\u003eThe XS Power XSP310-313 is engineered for 16V car audio builds that need both power isolation and active voltage management in a single power module. Pairing XSP310 and XSP313 functionality, this unit handles dual battery isolator duties while also providing the voltage control module intelligence that high-output competition systems rely on.\u003c\/p\u003e\u003cp\u003eIt is the kind of car audio power module that earns its place in a build by doing exactly what it promises — keeping your 16V system running at its designed potential without voltage sag or improper battery cross-drain. Install it as part of a complete XS Power electrical upgrade and let your amplifiers focus on making noise, not dealing with power instability.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eType\u003c\/td\u003e\n\u003ctd\u003eDash-Mounted Voltage Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eLED Readout\u003c\/td\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Compatibility\u003c\/td\u003e\n\u003ctd\u003eGM “D” \u0026amp; “AD” 4-Pin Alternators – 1995 to 2008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eWiring Harness\u003c\/td\u003e\n\u003ctd\u003eCustom Harness Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eSystem Voltage\u003c\/td\u003e\n\u003ctd\u003e12, 14, or 16-Volt Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Type\u003c\/td\u003e\n\u003ctd\u003eStock \u0026amp; Aftermarket Alternators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0857\/5339\/7524\/files\/XSpower-1YR-Warranty.pdf?v=1709757246\" rel=\"nofollow\"\u003e1 Year Warranty\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831157592109,"sku":"XSP310-313","price":179.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XSP310-313-turn.jpg?v=1780721830"},{"product_id":"xsp310-312-vcm-gm-cs","title":"XS Power XSP310-312- VCM\/GM “CS” Power Module","description":"\u003cp\u003eGeneral Motors vehicles present unique voltage control module challenges, and the XS Power XSP310-312 VCM\/GM CS power module is purpose-developed to address them. This dual battery isolator solution communicates with GM charging systems to prevent battery drain issues that generic car audio power module options simply cannot handle on ECM-managed platforms.\u003c\/p\u003e\u003cp\u003eDesigned for 16V-capable builds on GM CS-era platforms, the XSP310-312 VCM\/GM CS bridges the gap between OEM charging logic and the demands of a high-output aftermarket audio system. It keeps your secondary battery properly charged, your starting battery protected, and your amplifiers fed with the stable voltage they need for peak performance.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eType\u003c\/td\u003e\n\u003ctd\u003eDash-Mounted Voltage Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eLED Readout\u003c\/td\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Compatibility\u003c\/td\u003e\n\u003ctd\u003eGM “CS” Alternators – 1986-1997\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eWiring Harness\u003c\/td\u003e\n\u003ctd\u003eCustom Harness Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eSystem Voltage\u003c\/td\u003e\n\u003ctd\u003e12, 14, or 16-Volt Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Type\u003c\/td\u003e\n\u003ctd\u003eStock \u0026amp; Aftermarket Alternators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\n\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831157624877,"sku":"XSP310-312","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XSP310-312-turn.jpg?v=1780721836"},{"product_id":"xsp310-311","title":"XS Power XSP310-311 Power Module","description":"\u003cp\u003eThe XS Power XSP310-311 power module delivers coordinated control for dual-battery car audio systems built around 16V power. By combining the functions of an XSP310 and XSP311 in one integrated unit, it streamlines installation and ensures both batteries operate as a properly managed pair rather than two independent cells fighting each other.\u003c\/p\u003e\u003cp\u003eCompetition builders and serious daily-driver enthusiasts alike benefit from this voltage control module approach — your starting battery stays protected, your audio reserve stays charged, and the dual battery isolator logic keeps everything balanced no matter how hard the amplifiers are working. It is a straightforward way to add professional-grade power management to a high-output car audio system.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eType\u003c\/td\u003e\n\u003ctd\u003eDash-Mounted Voltage Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eLED Readout\u003c\/td\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Compatibility\u003c\/td\u003e\n\u003ctd\u003eGM “SI” Alternators – 1969-1988\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eWiring Harness\u003c\/td\u003e\n\u003ctd\u003eCustom Harness Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eSystem Voltage\u003c\/td\u003e\n\u003ctd\u003e12, 14, or 16-Volt Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Type\u003c\/td\u003e\n\u003ctd\u003eStock \u0026amp; Aftermarket Alternators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0857\/5339\/7524\/files\/XSpower-1YR-Warranty.pdf?v=1709757246\" rel=\"nofollow\"\u003e1 Year Warranty\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831157657645,"sku":"XSP310-311","price":179.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XSP310-311-turn.jpg?v=1780721843"},{"product_id":"xsp320-vcm-blue","title":"XS Power XSP320-VCM Blue Power Module","description":"\u003cp\u003eHigh-voltage builds deserve high-intelligence power management, and the XS Power XSP320-VCM Blue delivers it in a distinctive package. Operating as a voltage control module for 16V XS Power systems, this car audio power module coordinates charging and isolation between batteries so your entire electrical setup performs as one coherent system.\u003c\/p\u003e\u003cp\u003eThe blue finish makes it easy to identify in a multi-module installation, while the engineering underneath handles the real work — dual battery isolator management, voltage regulation, and protection for both your cranking source and your audio reserve. Whether you are chasing decibels on the competition circuit or building an impressive daily driver, the XSP320-VCM Blue keeps your power foundation solid.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eType\u003c\/td\u003e\n\u003ctd\u003eDash-Mounted Voltage Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eLED Readout\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Compatibility\u003c\/td\u003e\n\u003ctd\u003eGM 4-Pin Alternators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eSystem Voltage\u003c\/td\u003e\n\u003ctd\u003e12, 14, or 16-Volt Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Type\u003c\/td\u003e\n\u003ctd\u003eStock \u0026amp; Aftermarket Alternators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\n\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831157690413,"sku":"XSP320","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XSP320-turn.jpg?v=1780721848"},{"product_id":"xsp310-vcm-red","title":"XS Power XSP310-VCM Red Power Module","description":"\u003cp\u003eColor-coded for easy identification in complex engine bay wiring, the XS Power XSP310-VCM Red is a voltage control module built to manage 16V car audio electrical systems with precision. Red marks the positive, and this car audio power module marks the dividing line between a system that struggles and one that performs.\u003c\/p\u003e\u003cp\u003eAs a dual battery isolator, the XSP310-VCM Red keeps cranking battery voltage protected while your audio bank does the heavy lifting. It is designed for builds where sustained power draw is a reality — competition events, extended parking lot demos, or daily drivers with serious amplifier loads. XS Power reliability means it will keep managing your system correctly for the long haul.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eType\u003c\/td\u003e\n\u003ctd\u003eDash-Mounted Voltage Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eLED Readout\u003c\/td\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Compatibility\u003c\/td\u003e\n\u003ctd\u003eGM 4-Pin Alternators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eSystem Voltage\u003c\/td\u003e\n\u003ctd\u003e12, 14, or 16-Volt Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eAlternator Type\u003c\/td\u003e\n\u003ctd\u003eStock \u0026amp; Aftermarket Alternators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\n\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831157723181,"sku":"XSP310","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XSP310-turn.jpg?v=1780721853"},{"product_id":"993-step-down","title":"XS Power 993 Step Down Power Module","description":"\u003cp\u003eRunning a 16V car audio system does not mean every component in the vehicle can tolerate elevated voltage — and the XS Power 993 Step Down power module solves that problem cleanly. This purpose-built voltage control module steps the high-voltage rail down to a safe level for sensitive OEM electronics, keeping factory systems happy while your audio system runs at full potential.\u003c\/p\u003e\u003cp\u003eThe 993 Step Down is an essential piece of a properly built 16V setup, serving as the bridge between your high-output audio power module architecture and the components that need standard 12V operation. It removes the guesswork from a dual battery isolator system and makes running elevated voltage practical for daily-driver and competition builds alike.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eType\u003c\/td\u003e\n\u003ctd\u003eStep Down Module for 16-Volt Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eContinuous Amperage\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eMax Amperage\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eStep-Down Voltage\u003c\/td\u003e\n\u003ctd\u003e2.4 or 3.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eWorks in Vehicles With or Without Alternators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\n\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831157821485,"sku":"993","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/993-turn.jpg?v=1780721869"},{"product_id":"group-34-billet-cover","title":"XS Power Group 34 Billet Cover","description":"\u003cp\u003eFinishing a Group 34 battery installation the right way means protecting the top post terminals from accidental shorts and environmental exposure — and the XS Power 572 Billet Cover does exactly that with a quality fit and clean appearance. Machined for precision, this car audio battery hardware piece snaps over the XS Power Group 34 series batteries to keep your battery terminal connections safe and your engine bay looking intentional.\u003c\/p\u003e\u003cp\u003eThe 572 is a small detail that makes a big difference on builds where presentation matters as much as performance. Whether your Group 34 battery lives under the hood, in the trunk, or in a custom enclosure, this top post terminal cover protects the connections you worked to make right — and keeps them that way.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\n\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831158181933,"sku":"572","price":91.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/572-turn.jpg?v=1780721911"},{"product_id":"hd-3400-hold-down-base","title":"XS Power HD-34BS Hold Down Base","description":"\u003ch3\u003eSecure Group 34 Battery Hold Down Base for Competition and Street Builds\u003c\/h3\u003e\u003cp\u003eA battery that moves is a battery that causes problems — damaged terminals, broken cable lugs, and in worst cases an electrical fault from contact with chassis metal. The XS Power HD-34BS hold down base is engineered to keep Group 34 batteries firmly anchored whether the vehicle sees smooth highway miles or the jarring abuse of a competition environment. Proper battery hold-down hardware is required by most SPL rulebooks for a reason, and this base satisfies that requirement without compromise.\u003c\/p\u003e\u003cp\u003eInstallation is straightforward, and the result is a battery that stays exactly where you positioned it. Combined with compatible XS Power top post terminals and ring terminals for your power cables, the HD-34BS is the foundation of a professional, compliant battery installation that will not shift, rattle, or surprise you mid-competition.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eType\u003c\/td\u003e\n\u003ctd\u003e3400 Billet Aluminum Hold Down Base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eXS 3400 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eFeet\u003c\/td\u003e\n\u003ctd\u003eRubber-Backed Feet Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eLength\u003c\/td\u003e\n\u003ctd\u003e8.53 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e0.81 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e4.54 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\n\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831158804525,"sku":"HD-34BS","price":102.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/HD-34BS-turn.jpg?v=1780721916"},{"product_id":"527-925-gm-direct","title":"XS Power 527 - 925 GM Direct","description":"\u003cp\u003eGetting a clean, secure battery cable connection to an XS Power 925-series battery in a GM direct-mount application is straightforward with the XS Power 527. This battery terminal adaptor is engineered to interface with the battery hardware configuration of specific GM platforms, eliminating the hacking and improvising that generic ring terminal solutions often require in tight OEM battery trays.\u003c\/p\u003e\u003cp\u003eThe 527 gives your battery cable lug a proper home at the battery post, keeping the top post terminal connection solid under vibration and thermal cycling. For GM vehicles receiving an XS Power upgrade, this car audio battery hardware piece is the difference between a professional-looking installation and one that looks like an afterthought.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\n\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831158837293,"sku":"527","price":62.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/527-turn.jpg?v=1780721923"},{"product_id":"511-680-side-mount","title":"XS Power 511 - 680 Side Mount","description":"\u003cp\u003eSide-mount battery terminals demand hardware engineered for the specific connection geometry, and the XS Power 511 is built for exactly that. Designed to work with the XS Power 680-series side-mount batteries, this battery terminal adaptor provides a secure, low-resistance attachment point for your power cable runs without the improvised approach that standard ring terminal solutions often require.\u003c\/p\u003e\u003cp\u003eWhether you are routing a big three upgrade cable or terminating the main battery cable in a trunk installation, the 511 ensures every conductor lands where it belongs with a solid connection that will not loosen over time. Clean car audio battery hardware like this is the foundation every serious install deserves.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831159296045,"sku":"511","price":62.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/511-turn.jpg?v=1780721991"},{"product_id":"512-680-side-mount","title":"XS Power 512 - 680 Side Mount","description":"\u003cp\u003eThe XS Power 512 is the companion side-mount battery terminal adaptor to the 511, providing the second connection point for a complete dual-cable setup on XS Power 680-series batteries. When your build requires both a positive and negative side-mount terminal solution that matches the battery hardware precisely, the 512 completes the pair without compromise.\u003c\/p\u003e\u003cp\u003eTerminals that fit the way they are designed to fit mean better contact, lower resistance, and a battery cable lug connection that stays secure regardless of what the road throws at it. The 512 is essential car audio battery hardware for any 680-series side-mount installation — it makes the difference between a proper build and one that will need revisiting down the road.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831159328813,"sku":"512","price":62.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/514-turn_f513e92d-415e-406b-a3d4-ba14a68cb77b.jpg?v=1780721998"},{"product_id":"514-545-side-mount","title":"XS Power 514 - 545 Side Mount","description":"\u003cp\u003eXS Power 545-series side-mount batteries get the proper hardware treatment with the XS Power 514 battery terminal adaptor. Designed specifically for this battery platform, the 514 provides a dedicated connection point for battery cable runs so your power wire terminates securely at the post rather than relying on a ring terminal wedged in place and hoping for the best.\u003c\/p\u003e\u003cp\u003eFor installers who take every connection seriously — from the ANL fuse holder at the front of the run to the terminal at the battery itself — the 514 is the correct piece of car audio battery hardware for this application. Solid fit, reliable contact, and the XS Power engineering that makes it the right solution for a proper 545 side-mount installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831159361581,"sku":"514","price":62.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/514-turn.jpg?v=1780722005"},{"product_id":"510-375-side-mount","title":"XS Power 510 - 375 Side Mount","description":"\u003ch3\u003eGroup 51 Side-Mount Battery Hardware for Compact Installations\u003c\/h3\u003e\u003cp\u003eThe XS Power 510 is a side-mount hardware solution sized for the compact 375-footprint battery position, giving builders the right fit for Group 51 side-terminal vehicle applications. When the battery location requires a side-mount terminal layout, using hardware engineered for that configuration means cleaner cable routing, better terminal engagement, and a more professional overall installation. Improvising with top-post adapters in a side-mount location is a compromise; the 510 eliminates it.\u003c\/p\u003e\u003cp\u003eWhether you are replacing stock hardware for a high-output audio build or adding a secondary bank in a side-mount location, the 510 provides the battery terminal adaptor and connection foundation that the rest of your car audio battery hardware installation depends on. Pair it with appropriately rated cable lugs and ring terminals from the XS Power hardware line for a complete, matched battery station.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.\u003c\/p\u003e\u003cp\u003eFor more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"nofollow\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"XS Power","offers":[{"title":"Default Title","offer_id":66831159427117,"sku":"510","price":62.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/510-turn.jpg?v=1780722011"}],"url":"https:\/\/www.jsultimatesounds.com\/collections\/powersports-wiring.oembed?page=2","provider":"JS Ultimate Sounds","version":"1.0","type":"link"}