{"product_id":"jl-audio-rd400-4-rd400-4","title":"JL Audio RD400\/4","description":"\u003cul\u003e\n\u003cli\u003eFeatured in our article:\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"js-bestof-link\" data-cf-track=\"37;ProductPage:Overview: Best of article click\" href=\"https:\/\/www.crutchfield.ca\/learn\/best-4-channel-car-amplifiers.html\" data-cf-tracked=\"true\" target=\"_blank\"\u003eBest 4-channel car amplifiers for 2025\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e4-channel car amplifier\u003c\/li\u003e\n\u003cli\u003e75 watts RMS x 4 at 4 ohms (100 watts RMS x 4 at 2 ohms)\u003c\/li\u003e\n\u003cli\u003e200 watts RMS x 2 bridged at 4 ohms (4-ohm stable in bridged mode)\u003c\/li\u003e\n\u003cli\u003eClass D amplifier design with NextD™ switching amp technology\u003c\/li\u003e\n\u003cli\u003edifferential-balanced inputs help eliminate noise\u003c\/li\u003e\n\u003cli\u003evariable low- and high-pass filters (50-500 Hz, 12 dB\/octave)\u003c\/li\u003e\n\u003cli\u003eLED clip lights help set gain\u003c\/li\u003e\n\u003cli\u003eblue LED accent lighting\u003c\/li\u003e\n\u003cli\u003epreamp inputs and outputs\u003c\/li\u003e\n\u003cli\u003espeaker-level inputs (\u003ca href=\"https:\/\/www.crutchfield.ca\/g_481250\/Speaker-Wire-to-RCA-Adapters.html\"\u003espeaker wire to RCA adapter\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003erequired)\u003c\/li\u003e\n\u003cli\u003e4-gauge power and ground leads and a 40-amp fuse recommended — wiring and hardware not included with amplifier\u003c\/li\u003e\n\u003cli\u003eno onboard fuses — when installing multiple amps in a system, an additional 40-amp in-line fuse between the distribution block and the amplifier is recommended\u003c\/li\u003e\n\u003cli\u003e9-13\/16\"W x 2-1\/8\"H x 7\"D\u003c\/li\u003e\n\u003c\/ul\u003e\n\nAttributes: Title: Default Title","brand":"SoundsGood","offers":[{"title":"Default Title","offer_id":43488507101261,"sku":"RD400\/4","price":629.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/3232\/2637\/files\/g13698621-o_top_2a610cb5-ee63-4ede-924c-9b8c3e49e844.jpg?v=1787850018","url":"https:\/\/canadianmarineparts.com\/products\/jl-audio-rd400-4-rd400-4","provider":"Canadian Marine Parts","version":"1.0","type":"link"}