Key Features Power Output:60W Frequency Response :38Hz-20KHz Distortion:0.3% 1W S/N:>70dB Separation:>45dB Votage:AC 220-240V 50/60Hz Function Mute Input selected Supports: MP3, DVD, VCD, PS2, Tuner, FM, XBOX, Audio Selected To Adjust ON/OFF Power Switch USB SD input Speaker BT DC-12V Drive Units:6.5″X1+3″x3 Impedance:4Ω weight:8.2Kg Dimensions:44(L)*43(W)*41.5(H)CM