Features -• Sealed enclosure with one 8" shallow subwoofer• Medium density fiberboard construction with black carpet covering and built-in grille• Screws and brackets included• Power handling: 150 watts RMS (250 watts peak power)• Frequency response: 45-150 Hz• Sensitivity: 83 dB• Impedance: 4 ohms• Dimensions: 12"W x 5"H x 19"D