{"product_id":"jl-audio-rd400-4-4-ch-class-d-full-range-amplifier-400-w","title":"JL Audio RD400\/4 4-Channel Class D Full-Range Amplifier","description":"\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"overview-body col-12\"\u003e\n\u003cdiv class=\"row our-take\"\u003e\n\u003cdiv class=\"col\"\u003e\n\u003cdiv id=\"ourTake\" class=\"overviewText clearfix collapse show\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-12 overviewCopy\"\u003e\n\u003ch2\u003ePower your music\u003c\/h2\u003e\n\u003cp\u003eJL Audio's RD400\/4 4-channel amplifier will power each your car's front and rear speakers with 75 watts RMS, so you'll hear and feel your music clearly over the whistle of the wind and rumble of the road. For driving bass, you can switch the RD400\/4 to 2-channel mode and run a couple of subwoofer with up to 200 watts RMS each.\u003c\/p\u003e\n\u003ch3\u003eLow current demand, low distortion, and integrates well\u003c\/h3\u003e\n\u003cp\u003eThe RD400\/4 plays your music with true fidelity and impressive impact, without straining your car's electrical system, thanks to JL Audio's proprietary NexD™ amplifier technology. \"Differential-balanced\" inputs keep the incoming signals clear of outside noise, and allow you to connect this amp to just about any radio. The speaker-level inputs feature two auto turn-on modes so you can readily incorporate this amp into a factory system — no need for RCA connections or a remote turn-on lead for this setup. \u003c\/p\u003e\n\u003ch3\u003eLED clip lights and other cool features\u003c\/h3\u003e\n\u003cp\u003eHigh- and low-pass filters help you dial in the perfect tone for your speakers or subs. Onboard LED clip indicators let you set the amp gain quickly and accurately with the use of a test tone. A removable cover hides the amp's controls, resulting in a handsome appearance and a tamper-resistant installation. Cool blue LED accent lighting adds some charm to this amp's rugged good looks.\u003c\/p\u003e\n\u003cdiv class=\"containerImageCaptionMedium borderNone marginZeroAuto\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ca aria-expanded=\"true\" data-cf-tracked=\"true\" data-cf-track-evar=\"37\" data-cf-track-value=\"Overview:Read More Collapse\" data-target=\"#ourTake\" data-toggle=\"collapse\" class=\"keep-reading js-overviewCloseBtn\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-12 col-lg-7\"\u003e\n\u003cdiv class=\"keep-reading-wrapper open\" id=\"hightlightWrapper\"\u003e\n\u003cdiv class=\"highlight-wrapper\"\u003e\n\u003ch2\u003eProduct highlights:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFeatured in our article:\u003cspan\u003e \u003c\/span\u003e\u003ca data-cf-tracked=\"true\" href=\"https:\/\/www.crutchfield.com\/learn\/best-4-channel-car-amplifiers.html\" data-cf-track=\"37;ProductPage:Overview: Best of article click\" class=\"js-bestof-link\" target=\"_blank\"\u003eBest 4-channel car amplifiers for 2022\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\u003c\/ul\u003e\n\u003ch5\u003eOther Features:\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eblue LED accent lighting\u003c\/li\u003e\n\u003cli\u003epreamp inputs and outputs\u003c\/li\u003e\n\u003cli\u003espeaker-level inputs \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\u003cli\u003eMFR # 98621\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-12 col-lg-5 whats-in-the-box\"\u003e\n\u003cdiv class=\"whatsInTheBox sideBlock\"\u003e\n\u003ch2\u003eWhat's in the box:\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e4-Channel amplifier\u003c\/li\u003e\n\u003cli\u003e2.5mm Allen wrench\u003c\/li\u003e\n\u003cli\u003eSelf-adhesive JL Audio badge\u003c\/li\u003e\n\u003cli\u003eOwner's manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"JL Audio","offers":[{"title":"Default Title","offer_id":31819772067953,"sku":"RD400\/4","price":379.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/6657\/1633\/products\/jl-audio-car-amplifier-jl-audio-rd400-4-4-channel-class-d-full-range-amplifier-400-w-14797137641585.jpg?v=1595319433","url":"https:\/\/toomio.shop\/products\/jl-audio-rd400-4-4-ch-class-d-full-range-amplifier-400-w","provider":"Installations Unlimited","version":"1.0","type":"link"}