{"product_id":"gravity-4-channels-car-audio-hi-low-high-to-low-impedance-rca-line-converter-for-car-receiver-and-amplifier-built-in-remote-turn-on-ground-loop-isolator-gr-hl4","title":"Gravity GR-HL4","description":"\u003ch2 data-section-id=\"150jzpw\" data-start=\"110\" data-end=\"172\"\u003eClean Signal Conversion for Factory and Aftermarket Systems\u003c\/h2\u003e\n\u003cp data-start=\"174\" data-end=\"585\"\u003eThe Gravity GR-HL4 4-Channel High to Low RCA Line Converter is designed to integrate aftermarket amplifiers into factory or non-RCA car audio systems. It converts high-level speaker signals into clean low-level RCA outputs, allowing seamless connection to amplifiers and subwoofers without replacing the head unit. This makes it an ideal solution for upgrading sound systems while keeping factory radios intact.\u003c\/p\u003e\n\u003cp data-start=\"587\" data-end=\"825\"\u003eEngineered for clarity and stability, the GR-HL4 ensures accurate signal transfer so your amplifier receives a clean and consistent audio input. The result is improved sound performance, stronger output, and better overall system balance.\u003c\/p\u003e\n\u003chr data-start=\"827\" data-end=\"830\"\u003e\n\u003ch2 data-section-id=\"e9n2i\" data-start=\"832\" data-end=\"884\"\u003eBuilt-In Remote Turn-On and Ground Loop Isolation\u003c\/h2\u003e\n\u003cp data-start=\"886\" data-end=\"1143\"\u003eThe GR-HL4 includes a built-in 12V remote turn-on output, eliminating the need for separate wiring solutions when activating your amplifier. This simplifies installation and ensures synchronized power-up behavior between your head unit and amplifier system.\u003c\/p\u003e\n\u003cp data-start=\"1145\" data-end=\"1414\"\u003eA built-in ground loop isolator helps reduce unwanted noise, such as alternator whine or electrical interference, ensuring cleaner audio output. This makes the GR-HL4 especially effective in complex or factory-installed electrical systems where noise issues are common.\u003c\/p\u003e\n\u003chr data-start=\"1416\" data-end=\"1419\"\u003e\n\u003ch2 data-section-id=\"nee1u\" data-start=\"1421\" data-end=\"1468\"\u003eAdjustable Control for Flexible Audio Tuning\u003c\/h2\u003e\n\u003cp data-start=\"1470\" data-end=\"1746\"\u003eWith adjustable input sensitivity, the GR-HL4 allows users to fine-tune signal levels for optimal amplifier performance. The rotary gain control makes it easy to match output levels without complicated setup procedures, ensuring proper bass response and balanced audio output.\u003c\/p\u003e\n\u003cp data-start=\"1748\" data-end=\"2004\"\u003eIts compact design allows for easy installation in tight spaces, while the 4-channel configuration supports full-range audio systems. Whether used for upgrading speakers or adding subwoofers, the GR-HL4 provides reliable performance and simple integration.\u003c\/p\u003e\n\u003chr data-start=\"2006\" data-end=\"2009\"\u003e\n\u003ch2 data-section-id=\"10btkw6\" data-start=\"2011\" data-end=\"2024\"\u003eHighlights\u003c\/h2\u003e\n\u003cul data-start=\"2026\" data-end=\"2730\"\u003e\n\u003cli data-section-id=\"1jb7p59\" data-start=\"2026\" data-end=\"2070\"\u003e4-channel high to low RCA line converter\u003c\/li\u003e\n\u003cli data-section-id=\"1lhwls6\" data-start=\"2071\" data-end=\"2118\"\u003eConverts speaker-level signal to RCA output\u003c\/li\u003e\n\u003cli data-section-id=\"1lyy2nl\" data-start=\"2119\" data-end=\"2169\"\u003eCompatible with factory and aftermarket radios\u003c\/li\u003e\n\u003cli data-section-id=\"9gotvf\" data-start=\"2170\" data-end=\"2208\"\u003eBuilt-in 12V remote turn-on output\u003c\/li\u003e\n\u003cli data-section-id=\"9kk9uz\" data-start=\"2209\" data-end=\"2264\"\u003eIntegrated ground loop isolator for noise reduction\u003c\/li\u003e\n\u003cli data-section-id=\"wrdkal\" data-start=\"2265\" data-end=\"2312\"\u003eAdjustable input signal sensitivity control\u003c\/li\u003e\n\u003cli data-section-id=\"1ru36ry\" data-start=\"2313\" data-end=\"2356\"\u003eSupports clean connection to amplifiers\u003c\/li\u003e\n\u003cli data-section-id=\"vndm75\" data-start=\"2357\" data-end=\"2402\"\u003eImproves overall sound clarity and output\u003c\/li\u003e\n\u003cli data-section-id=\"1v3qs04\" data-start=\"2403\" data-end=\"2445\"\u003eFrequency response range 10Hz to 50kHz\u003c\/li\u003e\n\u003cli data-section-id=\"un1jq3\" data-start=\"2446\" data-end=\"2486\"\u003eHandles up to 100W input per channel\u003c\/li\u003e\n\u003cli data-section-id=\"1sbw6cw\" data-start=\"2487\" data-end=\"2535\"\u003eLow distortion (0.03% THD) signal conversion\u003c\/li\u003e\n\u003cli data-section-id=\"1menw21\" data-start=\"2536\" data-end=\"2586\"\u003e15K ohm input impedance for stable performance\u003c\/li\u003e\n\u003cli data-section-id=\"3qpc44\" data-start=\"2587\" data-end=\"2627\"\u003eCompact design for easy installation\u003c\/li\u003e\n\u003cli data-section-id=\"kjc928\" data-start=\"2628\" data-end=\"2677\"\u003eIdeal for subwoofer and amplifier integration\u003c\/li\u003e\n\u003cli data-section-id=\"qlvzqx\" data-start=\"2678\" data-end=\"2730\"\u003eSimple wiring with included installation diagram\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2732\" data-end=\"2735\"\u003e\n\u003ch2 data-section-id=\"j1ai3g\" data-start=\"2737\" data-end=\"2756\"\u003ePackage Contains\u003c\/h2\u003e\n\u003cul data-start=\"2758\" data-end=\"2906\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1y6most\" data-start=\"2758\" data-end=\"2808\"\u003eGravity GR-HL4 4-Channel Line Output Converter\u003c\/li\u003e\n\u003cli data-section-id=\"uigvx0\" data-start=\"2809\" data-end=\"2827\"\u003eWiring Harness\u003c\/li\u003e\n\u003cli data-section-id=\"1jgu2ag\" data-start=\"2828\" data-end=\"2867\"\u003eInstallation Guide \/ Wiring Diagram\u003c\/li\u003e\n\u003cli data-section-id=\"1uqkuoz\" data-start=\"2868\" data-end=\"2892\"\u003eMounting Accessories\u003c\/li\u003e\n\u003cli data-section-id=\"10sdtyb\" data-start=\"2893\" data-end=\"2906\" data-is-last-node=\"\"\u003eUser Manual\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gravity","offers":[{"title":"Default Title","offer_id":45625229410495,"sku":"650076329729","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71umOhE1FzL.jpg?v=1778539429","url":"https:\/\/nsidistributor.com\/products\/gravity-4-channels-car-audio-hi-low-high-to-low-impedance-rca-line-converter-for-car-receiver-and-amplifier-built-in-remote-turn-on-ground-loop-isolator-gr-hl4","provider":"NSI Audio Distributing","version":"1.0","type":"link"}