Boss BG100 Bass Generator with Remote Control Car Audio Amplifiers Parametric bass control; PFM subsonic filter; Balanced inputs Maximum bass control; Dash-mount remote controls bass level; LED display of bass restoration activity Parametric bass control; PFM subsonic filter; Balanced inputs Bass output control; PWM high headroom power supply; Output level: 10V Frequency response: 10Hz - 100kHz; THD: 0.003%; Signal-to-noise ratio: &gt;130dB Balanced input noise rejection: 60dB; Dimensions (W x L x H): 5-3/4 x 6-5/8 x 1-1/2