Description/Format Active Reflex Subwoofer System Drive Units 1 x (8'') 200mm Cone Long-throw Enclosure Type Vented Box Frequency Response (+/-3dB) 30Hz - 200Hz Bass Extension 30Hz Amplifier Power Output 70W Peak Power Output 150W Line Input Sensitivity 200mV for Maximum Output Crossover Range 40Hz - 150Hz Inputs Stereo Line In (2 x RCA Phono); Mono(LFE)Line In (RCA Phono) Input Impedance Line In: 20kOhms LFE: 5 Ohms Signal-to-noise Ratio (S/N) 86dB Peak SPL 110dB Features Phase Inversion, Low Pass Filter Slope; Adjustment, Auto On/Off Dimensions (H x W x D) 330 x 268 x 327 (mm) Net Weight 8.6kg