{"product_id":"x-series-v-4-8-subwoofer","title":"X-Series v.4 8\" Subwoofer","description":"\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003eRMS 1000 watts\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eDual 2 or 4 ohm voice coil\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eMade for extremely deep bass\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eTriple-stacked magnet\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e2.5” voice coil\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eHyper-extended pole\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eBuilt to order\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned with an extended pole piece and an incredible four inches of peak-to-peak excursion, the X v.4 is engineered for ultra-deep bass and high power handling. Engineered to set a new standard in the low-frequency\/small-ported-box subwoofer category, the X Series can also work in up to a 50% larger enclosure if you desire even more low-end extension.\u003c\/p\u003e\n\u003cp\u003eThe X v.4 series differentiates itself with its incredibly linear suspension, ensuring the lowest level of bass extension in a small enclosure while maintaining extremely low levels of distortion. Notably, the v.2 series features a much larger motor structure (220mm vs. 190mm on the v.1 series), improved motor ventilation, and an all-new Mega-Roll v.2 surround, providing a more linear and rugged update to the world-famous Mega-Roll v.1 surround design.\u003c\/p\u003e\n\u003cdiv class=\"cus-flex\"\u003e\n\u003cdiv class=\"box-1\"\u003e\n\u003ch3 class=\"el-title uk-text-danger uk-margin-top uk-margin-remove-bottom\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"uk-table uk-table-striped uk-table-small\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"uk-text-nowrap\"\u003eT\/S SPECS\u003c\/th\u003e\n\u003cth class=\"uk-text-nowrap\"\u003e\u003cstrong\u003eX V.4 8″ D2\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth class=\"uk-text-nowrap\"\u003e\u003cstrong\u003eX V.4 8″ D4\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRE (Ohms)\u003c\/td\u003e\n\u003ctd\u003e3.6\u003c\/td\u003e\n\u003ctd\u003e6.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFS (Hz)\u003c\/td\u003e\n\u003ctd\u003e41.299\u003c\/td\u003e\n\u003ctd\u003e44.150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVAS (L)\u003c\/td\u003e\n\u003ctd\u003e4.126\u003c\/td\u003e\n\u003ctd\u003e3.562\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.436\u003c\/td\u003e\n\u003ctd\u003e0.497\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e1.941\u003c\/td\u003e\n\u003ctd\u003e2.300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.356\u003c\/td\u003e\n\u003ctd\u003e0.409\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLe\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBL (NA)\u003c\/td\u003e\n\u003ctd\u003e21.576\u003c\/td\u003e\n\u003ctd\u003e27.141\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms (Grams)\u003c\/td\u003e\n\u003ctd\u003e215.153\u003c\/td\u003e\n\u003ctd\u003e220.090\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms \u003c\/td\u003e\n\u003ctd\u003e68.389\u003c\/td\u003e\n\u003ctd\u003e59.044\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSens (dB @ 1w\/1m)\u003c\/td\u003e\n\u003ctd\u003e80.1\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e79.8\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e19mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e19mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"box-2\"\u003e\n\u003ch3 class=\"el-title uk-text-danger uk-margin-top uk-margin-remove-bottom\"\u003eEnclosure Specifications\u003c\/h3\u003e\n\u003ctable class=\"uk-table uk-table-striped uk-table-small\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003eX v.4 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSealed Enclosure\u003c\/td\u003e\n\u003ctd\u003e0.3-.04cuft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorted Enclosure\u003c\/td\u003e\n\u003ctd\u003e0.75-1.0 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Tuning\u003c\/td\u003e\n\u003ctd\u003e32hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Port Area\u003c\/td\u003e\n\u003ctd\u003e12-16 sq in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplacement\u003c\/td\u003e\n\u003ctd\u003e0.13 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e7.56\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside Diam.\u003c\/td\u003e\n\u003ctd\u003e8.71\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout\u003c\/td\u003e\n\u003ctd\u003e7.32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Linear Audio UK","offers":[{"title":"D2","offer_id":57657761661302,"sku":null,"price":329.99,"currency_code":"GBP","in_stock":true},{"title":"D4","offer_id":57657761694070,"sku":null,"price":329.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0291\/9664\/8482\/files\/Xv4-8-000.webp?v=1775952728","url":"https:\/\/www.d2ualternators.com\/products\/x-series-v-4-8-subwoofer","provider":"D2U Alternators","version":"1.0","type":"link"}