100 Watt Powered 8" Subwoofer.
Universal 100 Watt Powered 8” Subwoofer, Black Aluminum Enclosure, High/Low Inputs, Adjustable Crossover Network (50-100hz), Adjustable 0-180 Degree Phase Control, Frequency Response Range: 35-100hz Enclosure Size: 9” X 2.75” X 13.75”