{"product_id":"sundown-audio-u-series-6-5-subwoofer-dual-voice-coil-2-4-ohm-500w-rms-1","title":"Sundown Audio U Series 6.5\" Subwoofer Dual Voice Coil 2\/4 Ohm 500W RMS","description":"\u003cul\u003e\n\u003cli\u003eU Series 6.5\" Subwoofer\u003c\/li\u003e\n\u003cli\u003ePremier “standard suspension” woofer series\u003c\/li\u003e\n\u003cli\u003eDual Voice Coil 2 or 4 Ohm\u003c\/li\u003e\n\u003cli\u003eMini Mega W surround\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cdiv style=\"border:1px solid #d9d9d9;padding:12px;margin-bottom:15px;background:#f8f8f8;\"\u003e\n\u003cbr\u003e\n    \u003cstrong\u003eImportant Notice from Sundown Audio\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n    This notice comes directly from Sundown Audio:\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n    Sundown Audio has led the industry in quality and performance for over a decade. To improve accuracy and transparency, we have updated our subwoofer power ratings to reflect true real-world performance.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n    During this transition, some packaging may show previous ratings. Performance fully aligns with our current published specifications. If you have any questions about authenticity or ratings, please contact us directly for confirmation.\u003cbr\u003e\n\u003c\/div\u003e\u003cp\u003eSundown Audio U Series 6.5\" Subwoofer Dual Voice Coil 2\/4 Ohm 800W Peak Lot\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eThis Listing Includes:\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e(1) U Series 6.5\" Subwoofer\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e500 Watts RMS\/1000 Watts Peak\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDual 2 or 4 ohm voice coils\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOptimized for small ported enclosures\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eAluminum 1.75\" voice coil former for superior heat dissipation\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eHigh-temperature copper voice coil\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDouble stitched surround\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eHeavy-duty cast basket\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSpring-loaded terminals accept up to 8-gauge wire\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eStitched-on heavy-duty tinsel leads\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSolid pole with vent channels and aluminum shorting ring cap\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRear gap-venting\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eTop-Plate Cooling Channels\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eDual 2 Ohm Specifications:\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eRE (Ohms): 4.0586\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFS (Hz): 41.9533\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVAS (L): 2.9053\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQes: 0.5238\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQms: 8.5834\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQts: 0.4937\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eLe (mH): 4.0112\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBL (NA): 16.7428\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMms (Grams): 137.2546\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCms (uM\/N): 104.8528\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSens (dB @ 1w\/1m): 77.8706\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eXMAX: 19mm\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eDual 4 Ohm Specifications:\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eRE (Ohms): 6.6274\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFS (Hz): 38.6925\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVAS (L): 3.7701\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQes: 0.5005\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQms: 7.2470\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQts: 0.4681\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eLe (mH): 5.5892\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBL (NA): 20.0082\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMms (Grams): 124.3518\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCms (uM\/N): 136.0613\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSens (dB @ 1w\/1m): 78.1460\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eXMAX: 19mm\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eProduct Dimensions:\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eCutout Diameter: 5.94 inches\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMounting Depth: 5.70 inches\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Diameter: 7.17 inches\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Depth: 6.22 inches\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003ePorted Enclosure\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eSize: .25-.35 cu. ft. net\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePort Area: 4-5 sq. in.\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePort Tuning: 35hz -40hz\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eSealed Enclosure\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eSize: 0.125-0.2 cu. ft. net\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDisplacement:  .04 cu. ft.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"Sundown Audio","offers":[{"title":"Dual 2 Ohm","offer_id":67687250755832,"sku":"SD-SW-UV16.5-D2","price":199.99,"currency_code":"USD","in_stock":false},{"title":"Dual 4 Ohm","offer_id":67687250788600,"sku":"SD-SW-UV16.5-D4","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9384\/8365\/files\/8cf77669da54cc7756019d25fc3f37025036df6e16dba4479b30494d79a6c8e9_ebb109d0-b3a9-4cc8-bed0-4dea4ba521e0.jpg?v=1792077804","url":"https:\/\/bigjeffaudio.com\/products\/sundown-audio-u-series-6-5-subwoofer-dual-voice-coil-2-4-ohm-500w-rms-1","provider":"Big Jeff Online Inc","version":"1.0","type":"link"}