{"product_id":"jl-audio-rd400-4-4-channel-full-range-amplifier-400-w","title":"JL Audio RD400\/4 4-Channel Full-Range Amplifier, 400 W","description":"\u003cp\u003eThe JL Audio RD400\/4 is a compact four-channel Class-D amplifier with adjustable filtering and bridgeable channel pairs for flexible car-audio installations.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNexD Class-D switching technology.\u003c\/li\u003e\n\u003cli\u003eDifferential-balanced inputs accepting line-level or speaker-level signals.\u003c\/li\u003e\n\u003cli\u003eLED clipping indicator for input sensitivity setup.\u003c\/li\u003e\n\u003cli\u003eRemote-wire, signal-sensing or DC-offset turn-on options.\u003c\/li\u003e\n\u003cli\u003eHigh-pass, low-pass or off filter modes on each channel pair.\u003c\/li\u003e\n\u003cli\u003e12 dB\/octave filters with 50–500 Hz adjustment.\u003c\/li\u003e\n\u003cli\u003eTwo- or four-channel input selection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier class:\u003c\/strong\u003e Class D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRMS output at 4 ohms (14.4 V, \u0026lt;1% THD):\u003c\/strong\u003e 75 W x 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRMS output at 2 ohms (14.4 V, \u0026lt;1% THD):\u003c\/strong\u003e 100 W x 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridged RMS output at 4 ohms (14.4 V, \u0026lt;1% THD):\u003c\/strong\u003e 200 W x 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating voltage:\u003c\/strong\u003e 10–15 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response (+0 \/ −1 dB):\u003c\/strong\u003e 12 Hz–22 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 9.78 x 2.13 x 6.96 in (248 x 54 x 177 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended fuse:\u003c\/strong\u003e 40 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum copper power\/ground wire:\u003c\/strong\u003e 4 AWG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncluded\u003c\/h3\u003e\u003cp\u003eRD amplifier, 2.5 mm Allen wrench and JL Audio badge.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eUse properly sized power and ground wiring, suitable overcurrent protection and compatible speaker loads. Follow the installation manual for wiring, ventilation, input sensitivity and crossover setup. Wiring kits and optional remote controls are not included unless explicitly listed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGarmin part number:\u003c\/strong\u003e 010-03109-00\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.garmin.com\/en-US\/p\/1667157\/pn\/010-03109-00\/\"\u003eOfficial Garmin product information\u003c\/a\u003e\u003c\/p\u003e","brand":"JL Audio","offers":[{"title":"Default Title","offer_id":68910678704322,"sku":"RD400\/4","price":379.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/8039\/5202\/files\/cf-xl_bb87eae7-4383-4f00-b677-0b4750498be5.jpg?v=1794165714","url":"https:\/\/www.soundconnectioninc.com\/products\/jl-audio-rd400-4-4-channel-full-range-amplifier-400-w","provider":"Sound Connection","version":"1.0","type":"link"}