Power Output:50W； Frequency Response:38Hz-20KHz; Distortion:0.3% at 1W;S/N:>70db; Separation:>45db; Voltage:AC220-240V 50/60Hz Function; Mute; Input Selected; Selected To Adjust; ON/OFF Power Switch Speaker; Drive Units:8"*1+3"*5+1.5"*5; Impedance:8Ω; USB SD Input; Weight:11.5kg; Dimensions:51.5(L)*35.8(W)*43.5(H)CM