{"product_id":"sundown-audio-sdx-400-1-weatherproof-mono-amplifier","title":"Sundown Audio SDX-400.1 Weatherproof Mono Amplifier","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRMS Power\u003c\/strong\u003e — 400W x 1 @ 1Ω, 300W x 1 @ 2Ω, 175W x 1 @ 4Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass\u003c\/strong\u003e — Class D monoblock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Pass Filter\u003c\/strong\u003e — Variable 12dB, 50Hz–250Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Boost\u003c\/strong\u003e — Variable 12dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeatherproofing\u003c\/strong\u003e — Water-resistant with removable sealed audio control cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThis Listing Includes:\u003c\/strong\u003e (1) Sundown Audio SDX-400.1 Weatherproof Mono Amplifier\u003c\/p\u003e\n\u003cp\u003eThe SDX-400.1 is a compact water-resistant Class D monoblock rated at 400 watts at 1 ohm, 300 watts at 2 ohms, and 175 watts at 4 ohms. It features a variable 12dB low-pass filter from 50Hz to 250Hz, a variable 12dB bass boost, and DC auto-sensing turn-on, with a full suite of audio controls protected beneath a removable sealed cover. A heavy cast aluminum heat sink provides superior heat dissipation and shields the amp from the elements, and thermal, voltage, speaker-short, and DC-offset protection circuitry guards the unit. Built for cars, UTVs, and open-air vehicles, it ships with a wired remote control. Authorized Sundown Audio dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWater-resistant design for powersports and daily drivers\u003c\/li\u003e\n\u003cli\u003eHeavy cast aluminum heat sink for superior cooling\u003c\/li\u003e\n\u003cli\u003eRemovable sealed audio control cover (badge unscrews with an allen key)\u003c\/li\u003e\n\u003cli\u003eDC auto-sensing turn-on\u003c\/li\u003e\n\u003cli\u003eWired remote control included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eRMS @ 1Ω\u003c\/td\u003e\n\u003ctd\u003e400W x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS @ 2Ω\u003c\/td\u003e\n\u003ctd\u003e300W x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS @ 4Ω\u003c\/td\u003e\n\u003ctd\u003e175W x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow-Pass Filter\u003c\/td\u003e\n\u003ctd\u003eVariable 12dB, 50Hz–250Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass Boost\u003c\/td\u003e\n\u003ctd\u003eVariable 12dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTurn-On\u003c\/td\u003e\n\u003ctd\u003eDC auto-sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eThermal, voltage, speaker short, DC-offset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Sundown Audio","offers":[{"title":"Default Title","offer_id":66820223598637,"sku":"A-SDX400","price":99.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/sundown-audio-sdx-4001-400w-marine-grade-powersports-audio-amplifieramp-810298.png?v=1780545868","url":"https:\/\/www.jsultimatesounds.com\/products\/sundown-audio-sdx-400-1-weatherproof-mono-amplifier","provider":"JS Ultimate Sounds","version":"1.0","type":"link"}