SWISS AUDIO SWP125W 12 Inch Performance Bass Subwoofer (DVC)

12 inch; 500W RMS; 35mm/1. 38 inch foam surround; 45-oz strontium magnet; Freq resp: 23 Hz 1 kHz; 94 dB; 280mm/11 inch hole diameter; 140mm/5. 5 inch depth; Dual voice coil with 2ohm or 8ohm operation (50mm/2 inch 4-layer ASV)