Description/Format Active Dynamic-Drive IB subwoofer system Drive Units 1 x (12)300mm cone long-throw Frequency Response 35- 120Hz ±3dB Amplifier Power Output 300W Peak Power Output 450W Line Input Sensitivity 200mv for maximum output Crossover Range 30 - 150Hz Inputs "Stereo Line In (2 x RCA Phono) Mono (LFE) Line In (RCA Phono) Input Impedance Line Input 10kΩ LFE 5kΩ Signal-to-noise ratio (S/N) 85dB Avg. Max Output @1m 118dB Features Phase inversion, Auto on-off Dimensions Height: (430+58)mm(with feet) Width: 395mm Depth: (442+15)mm Net weight 22.1kg Finishes Cabinet: Rosewood /Walnut Pearl/White sandex/Blackwood Vinyl with Hi-gloss baffle