Bass Inferno BSW12D 12-Inch 1500-Watts 4-OHM DVC Subwoofer 2-Inch 4 Layer 4 Ohm VC w/ Aluminum Former Stamped Heavy Gauge Steel Basket EMT2 Aluminum Voice Coil High Excursion Foam Surround Foam Surround CAD Optimized Electro Mechanical Magnet Housing