Kicker 10 Inch 800 Watt Subwoofer Slim Shallow Loaded Sub Enclosure | 40TCWRT104 Kicker 40TCWRT104 4 Ohm Subwoofer Enclosure RMS Wattage: 400 Watts Max Wattage: 800 Watts Impedance: 4 Ohm Sensitivity: 96.5 dB