{"product_id":"sundown-audio-u-series-v2-18-1750w-car-audio-subwoofer-sub-u10-v-2","title":"Sundown Audio U-Series v.2 18\" Subwoofer","description":"\u003ch2\u003eSundown Audio U-Series v.2 18\" Subwoofer\u003c\/h2\u003e\u003cp\u003eThe U-Series v.2 18\" Subwoofer is an 18-inch car subwoofer driver for a separately designed bass enclosure. Sundown specifies 2,000 watts RMS power handling for this model. Choose the listed voice-coil option to suit the amplifier and final wired load.\u003c\/p\u003e\u003cp\u003eD2 means dual 2-ohm voice coils; D4 means dual 4-ohm voice coils.\u003c\/p\u003e\u003ch3\u003eManufacturer specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eXmax: 30mm\u003c\/li\u003e\n\u003cli\u003eRMS Power: 2000 W\u003c\/li\u003e\n\u003cli\u003ePeak Power: 4000 W\u003c\/li\u003e\n\u003cli\u003eDisplacement: .26cu ft\u003c\/li\u003e\n\u003cli\u003eMounting Depth: 10\"\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 18.63\"\u003c\/li\u003e\n\u003cli\u003eCutout Diameter: 16.9\"\u003c\/li\u003e\n\u003cli\u003eSealed Enclosure: 3.0cu ft\u003c\/li\u003e\n\u003cli\u003ePorted Enclosure: 4.0cu ft\u003c\/li\u003e\n\u003cli\u003eRecommended Port Tuning: 35hz\u003c\/li\u003e\n\u003cli\u003eRecommended Port Area: 64sq in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEnclosure and installation planning\u003c\/h3\u003e\u003cp\u003eThis listing is for the subwoofer driver. Use the manufacturer’s dimensions and enclosure recommendations when planning the installation; no vehicle-specific fitment is asserted. Confirm the mounting cutout, available depth, enclosure volume, and amplifier load before assembly.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/sundownaudio.com\/products\/sundown-audio-u-series-v2-18-1750w-car-audio-subwoofer-sub-u10-v-2\"\u003eOfficial specifications and installation information\u003c\/a\u003e\u003c\/p\u003e","brand":"Sundown Audio","offers":[{"title":"D4","offer_id":67485123805412,"sku":"SW-UV218D4","price":719.99,"currency_code":"USD","in_stock":true},{"title":"D2","offer_id":67485123838180,"sku":"SW-UV218D2","price":719.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/Uv2-18-000-e567c11d.png?v=1791342140","url":"https:\/\/www.12voltoutlet.com\/products\/sundown-audio-u-series-v2-18-1750w-car-audio-subwoofer-sub-u10-v-2","provider":"12 Volt Outlet","version":"1.0","type":"link"}