C512D1-USAVC 12-Inch Subwoofer Dual 1 Ohm 4000W

12" Subwoofer. Gloss Gray Die Cast Aluminum Basket. High Roll Foam Surround. Gloss Carbon Fiber Dust Cap. Glass Fiber Reinforced Paper Cone. 4-Layer Upper and Lower Nomex Spider with Bolt Down Ring. 4-inch 8-Layer High Temp USA Voice Coil. 3x165 Oz High Grade Magnet. Dual 1 Ohm. 4000W RMS.