Function Standby, Source and Bluetooth button Play/Pause/FM auto scan button Previous/CH-, Next/CH+, Volume+/- batton Loudspeakers Satellite: 3\ full range driver Subwoofer: 5.25\ bass driver Parametric Subwoofer Frequency response: 30Hz~90Hz Satellite Frequency response: 110Hz~20kHz Output power (RMS): 54W Satellite: 13W2 Subwoofer: 28W S/N Ratio: 70dB Separation: 40dB Product Dimensions Subwoofer(WxDxH): 195 x 296 x 260mm Satellite(WxDxH): 115 x 176 x 104mm Connectivity Cable length: Satellite speaker: 1.5m Audio input cable: 1.5m Audio input cable: RCA vs. 3.5mm stereo cable x 1pcs RCA to RCA stereo cable x1pcs (optional) Power Power input: AC 220V-240V~50/60Hz 0.4A