Power Output: 50W S/N Ratio: 65dB Drive Units: 5.25”+2”×4 Frequency Response: 50Hz-18KHz Product Size:60(L)×60(W)×960(H)mm Subwoofer size: 188(L)×176(W)×300(H)mm Carton Size:990*110*110mm Woofer Carton Size:310*230*240