{"product_id":"sundown-audio-x-series-xv4-18-3000w-rms-subwoofer","title":"Sundown Audio X-Series XV4 18\" 3000W RMS Subwoofer","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower\u003c\/strong\u003e — 3,000W RMS \/ 6,000W peak\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice Coil\u003c\/strong\u003e — X v.4 coils, available Dual 1Ω or Dual 2Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXmax\u003c\/strong\u003e — 30mm for deep excursion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor\u003c\/strong\u003e — Heavy-duty 9.25″ diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eThis Listing Includes:\u003c\/strong\u003e (1) Sundown Audio X-Series XV4 18″ Subwoofer\u003c\/p\u003e\u003cp\u003eThe Sundown Xv4 18″ subwoofer delivers serious power and control, handling 3,000W RMS and 6,000W peak with high-grade X v.4 coils. A heavy-duty 9.25″ motor and large cone area (SD 113.41) move massive air for powerful low-frequency response, while 30mm of Xmax keeps deep bass clean. It works in sealed or ported enclosures with a recommended port tuning of 32Hz, giving you flexibility for SPL competition or everyday high-quality listening. Available in Dual 1Ω or Dual 2Ω, the Xv4 18″ is built for extreme durability and clean sound. Authorized Sundown Audio dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e18″ X v.4 Series subwoofer, 3,000W RMS \/ 6,000W peak\u003c\/li\u003e\n\u003cli\u003eDual 1-Ohm or Dual 2-Ohm voice coil options\u003c\/li\u003e\n\u003cli\u003eHeavy-duty motor with 9.25″ diameter\u003c\/li\u003e\n\u003cli\u003e30mm Xmax for deep bass response\u003c\/li\u003e\n\u003cli\u003eSealed or ported enclosure compatibility; recommended port tuning 32Hz\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eRMS Power\u003c\/td\u003e\n\u003ctd\u003e3,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Power\u003c\/td\u003e\n\u003ctd\u003e6,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003eDual 1Ω or Dual 2Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Coil\u003c\/td\u003e\n\u003ctd\u003eX v.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Diameter\u003c\/td\u003e\n\u003ctd\u003e9.25″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone Area (SD)\u003c\/td\u003e\n\u003ctd\u003e113.41\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Port Tuning\u003c\/td\u003e\n\u003ctd\u003e32Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Sundown Audio","offers":[{"title":"D2","offer_id":66819659661357,"sku":"SW-XV418D2","price":949.99,"currency_code":"USD","in_stock":true},{"title":"D1","offer_id":66819659694125,"sku":"SW-XV418D1","price":949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/XV418_baed5a14-091c-4f06-b604-a5d815d03674.png?v=1780684283","url":"https:\/\/www.jsultimatesounds.com\/products\/sundown-audio-x-series-xv4-18-3000w-rms-subwoofer","provider":"JS Ultimate Sounds","version":"1.0","type":"link"}