{"product_id":"sundown-horizon-10-750-watt-rms-dual-4-ohm-car-audio-subwoofer-hz-11","title":"Sundown Horizon 10\" 750 Watt RMS Dual 4 Ohm Car Audio Subwoofer HZ-10","description":"\u003cul\u003e\n\u003cli\u003e750W RMS subwoofer delivers powerful bass with clean controlled output\u003c\/li\u003e\n\u003cli\u003eDual 4 ohm 2.5 inch high-temp copper voice coil built for daily power handling\u003c\/li\u003e\n\u003cli\u003eClass-leading 14mm Xmax for strong low frequency performance without distortion\u003c\/li\u003e\n\u003cli\u003eHeavy cast aluminum basket with stitched tinsel leads for long-term durability\u003c\/li\u003e\n\u003cli\u003eOptimized cooling system keeps the sub running cool under high output\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eSundown Horizon 10\" 750 Watt RMS Dual 4 Ohm Car Audio Subwoofer HZ-10\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eThis Listing Includes:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e(1) Horizon Series HZ-10 Dual 4 Ohm Subwoofer\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eThe HZ-10 from Sundown Audio is built for serious low-end performance in compact and mid-size enclosures. Rated at 750 watts RMS with a high-temperature 2.5 inch copper voice coil and a class-leading 14mm of excursion, this subwoofer delivers deep, controlled bass with impressive efficiency.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eA heavy-duty cast aluminum basket, bolted spider pack, and stitched Mini-XL tinsel leads ensure long-term durability even under hard daily use. The high-roll surround paired with a progressive spider keeps movement smooth and accurate, while the vented motor gap and pole piece maintain cool operating temperatures when pushing power.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eOptimized for ported enclosures but versatile enough for sealed builds, the HZ-10 is perfect for systems that want loud, clean bass without sacrificing sound quality or reliability.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eRMS Power Handling: 750 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice Coil: 2.5\" High Temp 4-Layer Copper\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eImpedance: Dual 4 Ohm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eXmax: 14mm\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eT\/S Parameters:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eRe: 6.13 Ohms\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFs: 33.143 Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVas: 22.863 L\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQes: 0.539\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQms: 3.430\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQts: 0.466\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBL: 19.782 NA\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMms: 165.360 g\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCms: 139.453 mm\/N\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSensitivity: 83.8 dB @ 1W\/1M\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Enclosures:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003ePorted: 1.0 cu ft net, 15 sq in port area, tuned to 35 Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSealed: 0.5 cu ft net\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDisplacement: 0.1 cu ft\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eMounting Depth: 5.8\"\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOutside Diameter: 10.45\"\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCutout Diameter: 9.2\"\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"Sundown Horizon","offers":[{"title":"Default Title","offer_id":47953769070840,"sku":"SD-HZ10D4","price":299.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9384\/8365\/files\/423e82592a4d61c378835ffe536acb9cc8c5477818fbbd4fd67dc359ed4eb38c_165ef157-fd53-4dc8-aa15-9b3890814b4a.jpg?v=1770226874","url":"https:\/\/bigjeffaudio.com\/products\/sundown-horizon-10-750-watt-rms-dual-4-ohm-car-audio-subwoofer-hz-11","provider":"Big Jeff Online Inc","version":"1.0","type":"link"}