Seismic Audio - T10Sub - 10 Inch Steel Frame Subwoofer Driver - 200 Watts RMS Replacement Sub Woofer for PA, DJ, Band, Live Sound Model #: T10Sub Contents: 10 Inch Replacement Subwoofer Power Rating: 200 Watts RMS, 400 Watts Peak each Impedance: 8 Ohms Frequency response: 30 Hz - 500 Hz