The Blaupunkt 320 Watt 8” Amplified Subwoofer (GTHS81) provides the perfect base tone for your car audio. The GTHS81 8” Car audio Amplified Subwoofer features variable bass boost, adjustable input sensitivity, and a low pass filter. Maximum power is 320 watts Features: 320 Watt max power 115 w RMS power 20Hz to 150 Hz Frequency Response Fuse Rating 15A