Power Output:45W S/N Ratio:65dB Drive Units:5"×2+3"×2+1"×2 Frequency Response:35Hz-18KHz Woofer speaker:350(L)×187(W)×240(H)mm Satellite speaker:102(L)×185(W)×111(H)mm Color Box Size:318(L)×396(W)×341(H)mm