{"title":"XS Power Isolators, Modules \u0026 Accessories","description":"\u003cp\u003eShop 13+ \u003cstrong\u003eXS Power Isolators, Modules \u0026amp; Accessories\u003c\/strong\u003e at JS Ultimate Sounds, your authorized XS Power dealer.  All in stock with fast, free shipping and expert support — order online or call our team to build the perfect system.\u003c\/p\u003e","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":"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"}],"url":"https:\/\/www.jsultimatesounds.com\/collections\/xs-power-isolators-modules-accessories.oembed","provider":"JS Ultimate Sounds","version":"1.0","type":"link"}