Cadence Acoustics Pro10x8 800-Watt Peak 8-Ohm 10-Inch Single Voice Coil Pro Audio Subwoofer Power Handling: 800 Watt Peak / 400 Watts RMS / 200 Watt Long Life @ 8 Ohm Sensitivity: 95dB @ 1w/1m Frequency Response: 55Hz - 4 kHz