Bass Inferno BSW12S 12", 1,500W, 4-Ohm BSW Series Subwoofer: * 12" subwoofer * 1,500W max * 2", 4-layer 4-ohm SVC * Stamped heavy gauge steel basket * High-temperature voice coil * Rolled foam surround * Aluminum voice coil former * CAD-optimized electromechanical magnet housing