Skar Audio ZVX-15v2 D2 15" 3000 Watt Max Power Dual 2 Ohm SPL Car Subwoofer 15-inch Dual 2 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: 39.0 Hz, Xmax: 29mm