Pyle Home PDSB10A 10-Inch 100-Watt Active Powered Subwoofer for Home Theater 100-Watt Active Subwoofer - Crossover Slope Adjusted to 80 Hz Stereo RCA Line In Input - Dimensions: 11.8-Inch x 16.5-Inch x 13.8-Inch Stereo RCA Line Out For Receiver