{"product_id":"sundown-audio-z-series-zv7-15-subwoofer","title":"Sundown Audio Z-Series ZV7 15\" Subwoofer","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice Coil\u003c\/strong\u003e — 3.3″ diameter, 4-layer round-wire aluminum on a thick aluminum former, 95mm winding length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor\u003c\/strong\u003e — Quad-stacked 265mm (10.43″) structure, 100mm (3.94″) magnet stack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcursion\u003c\/strong\u003e — 42mm one-way linear by 70% BL; over 4″ p-p before mechanical bottom\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedance\u003c\/strong\u003e — Dual 1-ohm or dual 2-ohm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eThis Listing Includes:\u003c\/strong\u003e (1) Sundown Audio Z-Series ZV7 15″ Subwoofer\u003c\/p\u003e\u003cp\u003eThe Z v.7 is the third step in Sundown’s 2025 ultra-high-excursion lineup after the M and X v.4 series, built on the custom-tooled, patented “mega-platform” frame. It pairs that frame with a quad-stacked 265mm (10.43″) motor and a 100mm (3.94″) magnet stack — the largest motor ever used on a Z series sub — driving a 3.3″ 4-layer round-wire aluminum voice coil with a 95mm winding length. A patent-pending airflow-directing pole cap, six pole-OD channels, sixteen gap vents, and a cross-drilled top plate keep the coil cool, while a 9mm magnet-ID Faraday ring and pole-extension inductance sleeve deliver highly linear inductance. The result is 42mm of one-way linear excursion by 70% BL with an extremely uniform curve, designed for the lowest bass extension possible in a small ported enclosure with very low distortion. 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\u003ePatented Sundown “mega-platform” custom-tooled frame\u003c\/li\u003e\n\u003cli\u003eQuad-stacked 265mm (10.43″) motor with 100mm (3.94″) magnet stack\u003c\/li\u003e\n\u003cli\u003e3.3″ 4-layer round-wire aluminum voice coil, 95mm winding length\u003c\/li\u003e\n\u003cli\u003ePatent-pending pole cap, six pole-OD channels, sixteen gap vents, cross-drilled top plate\u003c\/li\u003e\n\u003cli\u003e9mm magnet-ID Faraday ring with pole-extension inductance sleeve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003eDual 1-ohm or Dual 2-ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Coil\u003c\/td\u003e\n\u003ctd\u003e3.3″ diameter, 4-layer round-wire aluminum, 95mm winding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003eQuad-stacked 265mm (10.43″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet Stack Height\u003c\/td\u003e\n\u003ctd\u003e100mm (3.94″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinear Excursion\u003c\/td\u003e\n\u003ctd\u003e42mm one-way by 70% BL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFaraday Ring\u003c\/td\u003e\n\u003ctd\u003e9mm magnet-ID\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Sundown Audio","offers":[{"title":"Dual-1-Ohm","offer_id":66819666214957,"sku":"SW-ZV715D1","price":1364.99,"currency_code":"USD","in_stock":false},{"title":"Dual-2-Ohm","offer_id":66819666247725,"sku":"SW-ZV715D2","price":1364.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/ZV7CoverImage_edfc4e50-da2b-4817-8774-6d750ab9fd2b.png?v=1780684283","url":"https:\/\/www.jsultimatesounds.com\/products\/sundown-audio-z-series-zv7-15-subwoofer","provider":"JS Ultimate Sounds","version":"1.0","type":"link"}