Kicker 40VCWS124 12" 600W 4 Ohm Vented Loaded Subwoofer Enclosure This Kicker CompS 12-Inch 600W 4 Ohm Subwoofer Enclosure delivers your tunes to the highest of quality Ported enclosure with a 12-inch CompS subwoofer Total Impedance: 4 Ohm Peak Power: 600 watts RMS Power: 50-300 watts