BLAUPUNKT GTHS81 8″ Amplified Subwoofer 320-Watts

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RBlaupunkt GTHS81 8” Amplified Subwoofer 320 WattsCA Low Level Input: 0.15V. High Level Input: 1V
Variable Bass Boost: 0 to +12dB
Phase Selector Switch: 0 to 180 Degrees
Signal to Noise ratio: 91dB. Frequency Response: 20Hz-150Hz
Dimensions: 13 x 9.45 x 2.87 Inches