Kicker 12 Inch 800 Watt TCompRT Subwoofer Slim Loaded Sub Enclosure | 40TCWRT124 Kicker 40TCWRT124 4 Ohm 12-inch subwoofer enclosure RMS Wattage: 500 Watts Max Wattage: 800 Watts Impedance: 4 Ohm Sensitivity: 98 dB