{"product_id":"sundown-audio-x-series-v-3-18-subwoofer","title":"Sundown Audio X-Series v.3 18\" Subwoofer","description":"\u003ch2\u003eSundown Audio X-Series v.3 18\" Subwoofer\u003c\/h2\u003e\u003cp\u003eThe X-Series v.3 18\" Subwoofer is an 18-inch car subwoofer driver for a separately designed bass enclosure. Sundown specifies 2,500 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\u003eD1 means dual 1-ohm voice coils; D2 means dual 2-ohm voice coils.\u003c\/p\u003e\u003ch3\u003eManufacturer specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRMS power handling: 2500 W\u003c\/li\u003e\n\u003cli\u003eXmax: 30mm\u003c\/li\u003e\n\u003cli\u003eOverall Diameter: 18.42\"\u003c\/li\u003e\n\u003cli\u003eCutout Diameter: 16.69\"\u003c\/li\u003e\n\u003cli\u003eMounting Depth: 10.25\"\u003c\/li\u003e\n\u003cli\u003eDisplacement: 0.28 Cu. Ft.\u003c\/li\u003e\n\u003cli\u003eSealed Volume: Not Recommended\u003c\/li\u003e\n\u003cli\u003ePorted Volume: 7.0 cu ft\u003c\/li\u003e\n\u003cli\u003ePort Tuning: 32 Hz\u003c\/li\u003e\n\u003cli\u003ePort Area: 112 sq 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-x-series-18-2000w-x-18-car-audio-subwoofer-sub-x18\"\u003eOfficial specifications and installation information\u003c\/a\u003e\u003c\/p\u003e","brand":"Sundown Audio","offers":[{"title":"D2","offer_id":67482727088356,"sku":"SW-XV318D2","price":849.99,"currency_code":"USD","in_stock":true},{"title":"D1","offer_id":67482727121124,"sku":"SW-XV318D1","price":849.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/sundown-8393882173750-0.png?v=1791325098","url":"https:\/\/www.12voltoutlet.com\/products\/sundown-audio-x-series-v-3-18-subwoofer","provider":"12 Volt Outlet","version":"1.0","type":"link"}