{"title":"Down4Sound Accessories","description":"\u003cp\u003eShop 24+ \u003cstrong\u003eDown4Sound Accessories\u003c\/strong\u003e at JS Ultimate Sounds, your authorized Down4Sound dealer. Knobs, grilles, gaskets, and the extras that finish a build. 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":"down4sound-ezy-ss1-multi-amp-sync-strap-controller-amplifier","title":"Down4Sound EZY-SS1 Multi AMP Sync \u0026 Strap Controller Amplifier","description":"\u003cp\u003eThe \u003cstrong\u003eDOWN4SOUND EZY-SS1  \u003c\/strong\u003eis a multi amp sync and strap controller designed to simplify signal distribution and tuning in high-power car audio systems. 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Whether you are testing equipment, building a demo board, or maintaining batteries, the PS-200A delivers serious performance.\u003c\/p\u003e \u003ch2\u003eKey Features\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e200 Amp Output\u003c\/strong\u003e for high-demand 12V systems\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdjustable Output Range\u003c\/strong\u003e from 13.8V to 15V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSmart Battery Charger Function\u003c\/strong\u003e \u003c\/li\u003e \u003cli\u003e\u003cstrong\u003eBattery Compatibility: Lead-acid, agm, and lithium\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003eAdjustable Output Voltage: User-configurable based on battery requirements\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003eAjustable Current Output: Matches battery capacity for safe charging\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBattery Maintainer Mode\u003c\/strong\u003e to preserve battery health\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect Power Supply Operation\u003c\/strong\u003e with no battery required\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBuilt-In Voltmeter and Ammeter\u003c\/strong\u003e for real-time monitoring\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOverload and Short Circuit Protection\u003c\/strong\u003e for safe operation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOverheating Protection System\u003c\/strong\u003e with active cooling\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFull-Range Automatic Bivolt Input\u003c\/strong\u003e from 90V to 250Vac\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSmart Charging Memory System\u003c\/strong\u003e to protect and maintain batteries\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003ePerfect For\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eHigh-power car audio bench testing\u003c\/li\u003e \u003cli\u003eRunning amplifiers and subwoofer systems without a vehicle\u003c\/li\u003e \u003cli\u003eDemo builds and shop setups\u003c\/li\u003e \u003cli\u003eCharging and maintaining large 12V battery banks\u003c\/li\u003e \u003cli\u003eProfessional installers and audio enthusiasts\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eWhy Choose the Down4Sound 200A Smart Power Supply?\u003c\/h2\u003e \u003cp\u003eIf you need serious current, this unit delivers. 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Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down4Sound","offers":[{"title":"Default Title","offer_id":66828413173805,"sku":"JP Wired v.2 Bassknob","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/jp-v-2-aluminum-bass-knob-with-wire-w_3da88f2d-7d92-48df-8c23-c5a61ef092a9.jpg?v=1782677851"},{"product_id":"jp33-43-63-83-bluetooth-bass-knob","title":"Down4Sound JP33\/43\/63\/83 Bluetooth Bass Knob","description":"\u003cp\u003eThe Down4Sound JP33\/43\/63\/83 Bluetooth Bass Knob is a Bluetooth remote bass knob with voltage, temperature, and clip monitoring — no remote wire needed. Note: compatible ONLY with Down4Sound JP33\/43\/63\/83 amplifiers, not universal. Authorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd style=\"width:40%;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBluetooth remote bass control\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"width:40%;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJP33 \/ JP43 \/ JP63 \/ JP83 amplifiers only\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"width:40%;\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage, temperature, clipping indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Down4Sound","offers":[{"title":"Default Title","offer_id":66828413534253,"sku":"JP-BluetoothBassknob","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/jp33-43-63-83-bluetooth-bass-knob-w_af3e37d5-a5eb-4f55-893d-0d4edc152a8a.jpg?v=1782677860"},{"product_id":"down4sound-studio1-noise-cancelling-wireless-headphones","title":"Down4Sound STUDIO1 Noise Cancelling Wireless Headphones","description":"\u003cp\u003eLooking for a great pair of Wireless over-the-ear headphones that will let you enjoy your music to the fullest? Check out our new Studio1 pro headphones! These headphones are designed with your comfort and enjoyment in mind – they sound great and feel great; Start with BT CHIPSET 5.0 for high-quality and secure wireless streaming! Then Studio1 uses six mics for hybrid noise cancellation (4 ANC mics+2 ENC Talk mics), and you can enjoy your music without distractions. Plus, the 34 hours of battery life means you can enjoy your music all day long! In addition, we redesigned the standard controls and upgraded them to swipe capabilities for volume up, down, and track selection. The precise touch control function makes it easy to control your music without fiddling with too many buttons. Power on, off, and noise cancellation buttons are clearly identified at the bottom. The Studio1 wireless headphones use aptX, and aptX-HD codec support ensures you'll always enjoy high-quality sound. And finally, we went above and beyond by customizing Down4sound acoustic tuning with titanium-coated HD drivers and premium memory foam for fit, making the response tremendous and a quality fit you can bring anywhere.\u003c\/p\u003e\u003cp\u003eItems included: \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1 Set of Down4sound Studio1 Headphones\u003c\/li\u003e\n\u003cli\u003eType C Charger\u003c\/li\u003e\n\u003cli\u003eDown4Sound Carrying Case\u003c\/li\u003e\n\u003cli\u003e2 years of FREE Wireless Down4sound updates\u003c\/li\u003e\n\u003cli\u003e3.5mm Headphone cable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUp to 45 hours playtime\u003c\/li\u003e\n\u003cli\u003eOn ear detection\u003c\/li\u003e\n\u003cli\u003eHybrid ANC\u003c\/li\u003e\n\u003cli\u003eMultipoint connection\u003c\/li\u003e\n\u003cli\u003eTouch control\u003c\/li\u003e\n\u003cli\u003eExceptional sound quality\u003c\/li\u003e\n\u003cli\u003eBuilt in mic with ENC\u003c\/li\u003e\n\u003cli\u003eSoft materials \u0026amp; comfortable fit\u003c\/li\u003e\n\u003cli\u003eCalls, Siri \u0026amp; Goggle Voice Assistant support\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eStudio1 User manual \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eTHIS ITEM IS FINAL SALE AND CAN NOT BE RETURNED. SHOULD EQUIPMENT ISSUES EXIST YOU MUST REACH OUT TO THE FRONT OFFICE REGARDING WARRANTY INSTUCTIONS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down4Sound","offers":[{"title":"Default Title","offer_id":66828415270957,"sku":"Studio1","price":83.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-studio1-noise-cancelling-wireless-headphones-w_1263bbe3-ea7b-489b-bb0a-9b367eaa23cb.jpg?v=1782676854"},{"product_id":"d4s-jp40-voltage-temperature-monitoring-notification-system","title":"Down4Sound D4S JP40 Voltage Temperature Monitoring \u0026 Notification System Battery","description":"\u003cp\u003e \u003c\/p\u003e \u003cp\u003eTHE IMPORTANCE OF THE REMOTE DISPLAY:\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eIn demanding conditions of high amperage discharge, fast charging, and extended high\u003cbr\u003eamperage discharge, it is important to monitor the battery to keep the battery from being\u003cbr\u003edamaged. If the battery is discharged below the minimum voltage the battery will be damaged,\u003cbr\u003eand such damage will cause the battery to lose performance and\/or cause a dangerous\u003cbr\u003eoperating condition which could result in personal injury, equipment damage, or death. The\u003cbr\u003esame is true if the battery is allowed to over heat, or be over charged. This remote tool is a way\u003cbr\u003eto monitor the battery’s operation within the specified parameters without a putting restrictive\u003cbr\u003eBattery Management System (BMS) that reduces the amount of control the user has over the\u003cbr\u003ebattery’s operation. As with all tools, it is only as effective as the user. If the warnings are not\u003cbr\u003eheeded, or ignored the battery may become damaged, and this will void the warranty.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eCONNECTION METHOD\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eThe remote monitor has 2 plugs, a Phone jack, and an 2 pin port. The phone jack is connected\u003cbr\u003efrom the remote monitor and the plug labeled “remote” on the face of the battery.\u003cbr\u003eThe 2 pin plug on the remote monitor can be used to connect the monitor to a 12V power\u003cbr\u003esupply, (Example: the cars ignition system.) as a alternate power supply to keep the remote\u003cbr\u003emonitor from using the battery’s power.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eINSTRUCTION FOR USE:\u003cbr\u003eConnect the battery with the remote monitor using the supplied cable.\u003cbr\u003eTo Change Voltage\/Capacity Display\u003cbr\u003eThe default mode of the voltage\/capacity display is the battery’s voltage. If the button\u003cbr\u003emarked “Voltage\/Capacity” is pressed, the display will change to the show the battery’s\u003cbr\u003ecapacity in percentage of remaining charge. If the button is pressed again, it will return to\u003cbr\u003ethe default display.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eTo Change The Temperature Display:\u003c\/p\u003e \u003cp\u003eThe default mode of the temperature display is in Fahrenheit (Fo). If the button marked\u003cbr\u003e“Temperature” is pressed, the display will change to the unit of Celsius (Co). If the button is\u003cbr\u003epressed again, it will return to the default display.\u003cbr\u003eREMOTE\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003eThe JP40 Remote Display ships in the default setting that allows for plug and play use with the\u003cbr\u003eJP40 battery. Initial programming is not required when you purchase this remote for use with\u003cbr\u003eJP40. However, this remote is also designed to be used universally with AGM, Li-Po, LTO and\u003cbr\u003eother LFP type batteries in many configurations. Although the programming details shown\u003cbr\u003ebelow are accessible, they are only applicable to the universal remote model, which includes\u003cbr\u003ethe voltage and temperature sending unit that can be used external to any battery. This will\u003cbr\u003enot allow for the accurate internal temperature readings you get from your JP40 Battery since\u003cbr\u003ethe sending unit is already inside the battery. The programming instructions are provided\u003cbr\u003ebelow for knowledge about these functions in case the menu is accessed accidentally, and the\u003cbr\u003esettings need to be corrected for accurate functionality of the remote display.\u003cbr\u003ePress and hold the “Menu” button for six (6) seconds to access the program mode. The display\u003cbr\u003ewill flash indicating it is in program mode. If no buttons are pressed within six (6) seconds the\u003cbr\u003eunit will automatically exit program mode.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eTo set battery type, enter program mode. Use the Buttons marked with the up and down arrows\u003cbr\u003eto select the correct battery type. The battery types available to select are as follows:\u003cbr\u003eL - Lithium Ion Batteries (Li-ion, Li-po) [ Cell Voltage is 3.6V-3.8V ]\u003cbr\u003eF - Lithium Iron Phosphate Batteries (LFP) [ Cell Voltage is 3.2V ]\u003cbr\u003eP - Lead Acid Batteries (AGM) [ Battery Voltage is 12V ]\u003cbr\u003et - Lithium Titanate Oxide Batteries (LTO) [ Cell Voltage 2.4V ]\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eOnce the battery type is selected, press the “Menu” button again to set the number of cells in\u003cbr\u003eseries. The display will once again flash,\u003cbr\u003eSet the number of cells in series using the up and down arrows as before.\u003cbr\u003eEXAMPLE: 3S - is set to 03\u003cbr\u003e4S - is set to 04\u003cbr\u003e5S - is set to 05.... Etc.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eAfter six (6) seconds with no buttons pushed, the unit will exit program mode automatically. If\u003cbr\u003ethe setting are not correct, re-enter program mode and select the correct settings. If the remote\u003cbr\u003esetting are incorrect, the information displayed by the remote will also be incorrect.\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down4Sound","offers":[{"title":"Default Title","offer_id":66828415696941,"sku":"JP40-MonitorNotification","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/d4s-jp40-voltage-temperature-monitoring-notification-system-w_5c4b787d-dcad-424f-b6da-0873467b667f.jpg?v=1782675318"},{"product_id":"additional-jp-signature","title":"Down4Sound Additional JP Signature","description":"\u003ch3\u003e\u003cstrong\u003eAdd this to any order to get additional signature request from Jonathan Price on another product. Please specify the product(s) you would like signed on.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down4Sound","offers":[{"title":"Default Title","offer_id":66828417663021,"sku":"JP-SIGNATURE","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/additional-jp-signature-w_63e0e343-7c5b-41e3-9c5d-152c4fd4900f.jpg?v=1782674930"},{"product_id":"down4sound-subwoofer-bass-knob-v2-w-voltage-readout","title":"Down4Sound Subwoofer Bass Knob V2 W\/ Voltage Readout","description":"\u003ch2\u003eDown4Sound's Universal Car Audio Bass Knob is now available in VERSION 2!\u003c\/h2\u003e \u003cp\u003eWe have upgraded the whole manufacturing process this time to being injection molded \u0026amp; we incorporated a volt meter as well!\u003c\/p\u003e \u003cp\u003e The finish is super smooth and soft to the touch.\u003c\/p\u003e \u003cp\u003eVolt meter hook up:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRed Wire- Constant 12v power\u003c\/li\u003e \u003cli\u003eBlack Wire - Ground\u003c\/li\u003e \u003cli\u003eOrange Wire - Remote in, From Source Unit Remote Output\u003c\/li\u003e \u003cli\u003eBlue Wire - Remote Out, Goes to Amp Remote Input\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003eLED COLOR LIGHT - BLUE\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003eStill made with the best internal parts and Rca's on the market. \u003cbr\u003eThe Rotating Subwoofer is made from very strong plastic.\u003cbr\u003eThis is one of, if not the best universal bass knob \/ remote with RCA's on the market.\u003c\/p\u003e \u003cp\u003eIt will work with any amplifier that requires RCA inputs.\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down4Sound","offers":[{"title":"Default Title","offer_id":66828419268653,"sku":"D4S-SUB-BK-V2","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-subwoofer-bass-knob-v2-w-voltage-readout-w_7d5e6f19-defe-481c-ac02-c5c97984c85f.jpg?v=1782676859"},{"product_id":"down4sound-d4s-chg-8a-12v-lithium-charger","title":"Down4Sound D4S-CHG-8A - 12V Lithium Charger","description":"\u003cp\u003eThe D4S-CHG-8A charger is an advanced battery charger designed specifically for high performance 12V lithium batteries. This charger combines the reliability of a high frequency MOSFET rectified assembly\u003cbr\u003ewith an advanced microprocessor control board to create a battery charger that can rapidly and safely recharge 12V lithium batteries in several sizes.\u003cbr\u003eVoltage Monitoring\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eThe battery’s terminal voltage is measured every five minutes by the on-board microprocessors and this information is analyzed in addition to the elapsed time to dynamically control the battery charger for\u003cbr\u003eoptimum charging performance.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eAutomatic Computer Analysis\/Auto Shutdown\u003cbr\u003eThe microprocessors will analyze the battery when connected. If the battery’s voltage is below 4V the charger may not recognize the battery is connected and will not begin charging. Likewise, if the battery\u003cbr\u003ewill not come up to the correct voltage in a ten-hour period the microprocessor control board will automatically shut the charger off.\u003cbr\u003eUL Approved Battery Cables.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eSix feet of durable battery cables are provided that are resistant to cuts and abrasion. The copper plated battery clamps are compact and custom designed easy connections. All clamp connections are soldered\u003cbr\u003efor maximum current flow.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eInternal Cooling Fan\u003cbr\u003eA cooling fan automatically operates during charging to keep the circuit and other internal components at a constant safe temperature.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eImportant Safety Instructions\u003cbr\u003eThe D4S-CHG-8A charger generates a low DC voltage and high DC current to the battery being charged. Operating the charger incorrectly or misusing it may damage the charger or create hazardous conditions\u003cbr\u003efor the user.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e\u003cstrong\u003eWARNING: EXPLOSION HAZARD\u003c\/strong\u003e\u003cbr\u003e• The D4S-CHG-8A charger is designed to charge 12V lithium batteries. Do not attempt to use with batteries with voltages not matching the chargers specified voltage.\u003cbr\u003e• Do not use this product where there are flammable fumes or gases.\u003cbr\u003e• Do not use this product in an enclosure containing lead-acid batteries. These batteries vent explosive hydrogen gas, which can be ignited by sparks from electrical connections.\u003cbr\u003e• Never attempt to charge a frozen battery.\u003cbr\u003e• Do not connect DC clamps to the carburetor, fuel lines, or sheet metal body parts.\u003cbr\u003eWARNING: SHOCK HAZARD. KEEP AWAY FROM CHILDREN.\u003cbr\u003e• Do not expose charger to water or rain or temperatures over 104 °F (40 °C).\u003cbr\u003e• Do not open the charger. There are no user serviceable parts inside the unit. For service see the Returns policy in the back of this guide.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e\u003cstrong\u003eWARNING: HEATED SURFACE - Ensure at least 2” (5 cm) air space is maintained on all sides of the charger.\u003c\/strong\u003e\u003cbr\u003e• An extension cord should not be used unless absolutely necessary. Use of an undersized extension cord will adversely affect the output of the product and could prove to be dangerous. If an extension cord\u003cbr\u003emust be used, make sure that pins on the plug of the extension cord are the same number, size and shape as those of the plug on the charger. We recommend a minimum of a 16AWG cord for lengths up to\u003cbr\u003e50’ and a minimum of a 14AWG cord for lengths up to 100’. We do not recommend cords over 100’. Do not use this product with an ungrounded extension cord.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e• Be sure AC and DC cords are not pinched or otherwise damaged by hoods, doors, or other moving engine components.\u003cbr\u003e• Observe battery polarity.\u003cbr\u003e*IMPORTANT* If this charger is to be used with a portable generator, it should be equipped with automatic voltage regulation to ensure consistent output of the product.\u003cbr\u003e- Specifications\u003cbr\u003ePhysical Specifications\u003cbr\u003eDimensions (W x H x D) : 12” x 5” x 8”\u003cbr\u003eWeight: 7 lbs\u003cbr\u003eAC Input Connections: 5.0’ AWG 16\u003cbr\u003eDC Output Connections: 4.0’AWG 10\u003c\/p\u003e \u003cp\u003e*IMPORTANT*: SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.\u003cbr\u003e12V LITHIUM BATTERY CHARGER\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eAC Input Specifications\u003cbr\u003eAC Input Voltage : 100-120 VAC, 47-63 Hz\u003cbr\u003eAC Input Current: 8A RMS fuse protected\u003cbr\u003e15A Protection\u003cbr\u003eBattery Reverse: YES\u003cbr\u003eShort Circuit: YES\u003cbr\u003eOverload: YES\u003c\/p\u003e \u003cp\u003eSpeed controlled cooling fan by charge stage\u003cbr\u003e- Back Power Switch and Front LED Indicators\u003cbr\u003e1) Power LED Indicator: Illuminates red when power cord is plugged in and power switch on back of unit is turned on.\u003cbr\u003e2) Charging LED Indicator: Illuminates green when powered on and red when charging. When charging is complete the charging LED Indicator will illuminate green. If the Charging LED\u003cbr\u003eIndicator remains red after a 1 hour period, switch the charger OFF and remove the battery connections. Insure the battery polarity is correct, and if so, replace the battery.\u003cbr\u003e3) Power Switch: (on back) Power is ON when switched to “I” and OFF when switched to “O”.\u003cbr\u003e4) Fuse holder: Contains a 25A output fuse in case of overload.\u003cbr\u003e*The LED Status Indicator will illuminate RED\/RED indicating the battery is charging. The LED indicators will illuminate RED\/GREEN indicating the battery is fully charged.\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e- Operation\u003c\/p\u003e \u003cp\u003eThe D4S-CHG-8A charger has been designed to provide fully automatic recharging of most 12V batteries.\u003c\/p\u003e \u003cp\u003eIf possible, disconnect all loads from the battery by removing battery cables, opening a disconnect switch, or switching loads off. To charge your 12V battery:\u003c\/p\u003e \u003cp\u003e1) With the charger’s power switch in the OFF position plug the charger into a grounded wall receptacle.\u003c\/p\u003e \u003cp\u003e2) Connect the red positive (+) clip of the charger cables to the positive (+) terminal of the vehicle battery.\u003c\/p\u003e \u003cp\u003e3) Connect the black negative (–) clip of the charger cables to a solid chassis ground. If this is not possible, connect it to the negative (–) battery terminal.\u003c\/p\u003e \u003cp\u003e4) Flip the power switch on the back panel to ON. The Power LED will illuminate red and the Charging LED Indicator on the front panel will illuminate red as well, beginning the charging sequence.\u003c\/p\u003e \u003cp\u003e*Note that the charger will automatically restart the charging sequence if the charge current rises above a factory preset threshold.\u003c\/p\u003e \u003cp\u003eWhen complete, the Charging LED Indicator will turn green, flip the power switch to OFF. 10) Remove the black negative (–) clip and the red positive (+) clip from the vehicle’s battery terminals.\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e- Troubleshooting WARNING: Electric shock hazard Do not disassemble any of the HF chargers.\u003c\/p\u003e \u003cp\u003eThe chargers do not contain any internal user-serviceable parts and attempting to service the unit yourself could result in electrical shock or burn.\u003c\/p\u003e \u003cp\u003e• Power LED does not come on when the power switch is flipped to ON: Check fuse. Check cord and input power. • Charge LED will not illuminate: The battery is not connected. The battery is below 4.0V. • Charging LED remains orange and never turns green: This happens when the battery cannot be completely charged in a 10-hour period at the selected charge rate. Ensure the battery polarity is correct. If the error persists, replace the battery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Down4Sound dealer at JS Ultimate Sounds. 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This charger combines the reliability of a high frequency MOSFET rectified assembly\u003cbr\u003ewith an advanced microprocessor control board to create a battery charger that can rapidly and safely recharge 12V lithium batteries in several sizes.\u003cbr\u003eVoltage Monitoring\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eThe battery’s terminal voltage is measured every five minutes by the on-board microprocessors and this information is analyzed in addition to the elapsed time to dynamically control the battery charger for\u003cbr\u003eoptimum charging performance.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e\u003cstrong\u003eAutomatic Computer Analysis\/Auto Shutdown\u003c\/strong\u003e\u003cbr\u003eThe microprocessors will analyze the battery when connected. If the battery’s voltage is below 4V the charger may not recognize the battery is connected and will not begin charging. Likewise, if the battery\u003cbr\u003ewill not come up to the correct voltage in a ten-hour period the microprocessor control board will automatically shut the charger off.\u003cbr\u003eUL Approved Battery Cables.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eSix feet of durable battery cables are provided that are resistant to cuts and abrasion. The copper plated battery clamps are compact and custom designed easy connections. All clamp connections are soldered\u003cbr\u003efor maximum current flow.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eInternal Cooling Fan\u003cbr\u003eA cooling fan automatically operates during charging to keep the circuit and other internal components at a constant safe temperature.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e\u003cstrong\u003eImportant Safety Instructions\u003c\/strong\u003e\u003cbr\u003eThe D4S-CHG-15A charger generates a low DC voltage and high DC current to the battery being charged. 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When charging is complete the charging LED Indicator will illuminate green. If the Charging LED\u003cbr\u003eIndicator remains red after a 1 hour period, switch the charger OFF and remove the battery connections. Insure the battery polarity is correct, and if so, replace the battery.\u003cbr\u003e3) Power Switch: (on back) Power is ON when switched to “I” and OFF when switched to “O”.\u003cbr\u003e4) Fuse holder: Contains a 25A output fuse in case of overload.\u003cbr\u003e*The LED Status Indicator will illuminate RED\/RED indicating the battery is charging. 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