Sundown Audio SA-8 V.3 D4 500W RMS 8" Dual 4-Ohm Voice Coil Car Stereo Subwoofer

BRAND NEWSUNDOWN AUDIO SA-8 V.3 D4SA Series 500 Watts RMS 8" Dual Voice Coil 4-Ohm Stereo Car Audio SubwooferKey Features:  Sundown Audio SA-8 V.3 D4 8" 500W RMS Dual 4-Ohm SA Series Subwoofer Power Handling: RMS Power = 500 watts Voice Coil: Dual 4 ohm Vented magnetic gap featuring sixteen chamfered gap vents Solid Pole piece with chamfered edges for increased air-powered voice coil cooling High-velocity under-spider frame vents Black Aluminum 2” voice coil former for superior heat dissipation High-Temperature copper voice coil wire Large Magnet ID aluminum faraday ring Spring Loaded Terminals Stitched-On “XL” Tinsel Leads to prevent fatigue and failure High strength & patented cast aluminum frame Optimized for small, ported enclosures Xmax = 16mm one-way by 70% BL Cut-out Diameter: 7-3/8" Gasket OD: 8-3/8" Mounting Depth: 6-5/8" Recommended Ported Enclosure: 0.5 - 0.75 ft^3 @ 35hz Shipping Weight: 27.1lbs