Skar Audio ZVX-12v2 D1 12" 3000 Watt Max Power Dual 1 Ohm SPL Car Subwoofer 12-inch Dual 1 Ohm SPL Car Subwoofer Peak Power: 3,000 Watts | RMS Power: 1,500 Watts Massive Triple Stack Magnet & High Temperature 3" 8-layer Copper Voice Coil Competition Grade Paper Cone and High Roll Foam Surround Advanced Air Flow Cooling Design | Fs: 51.0 Hz, Xmax: 29mm