Output Power: 80W(10W*5+30W*1) Frequency Response: 40Hz - 20KHz Channel Crosstalk: >45dB S/N Ratio: >85dB Per Satellite Speaker: 3"full-range driver*1 Subwoofer Speaker: 5.25" Woofer*1 Giftbox Size： W445*H338*D300 mm Packing Size: W695*H460*D315mm Packing: 2set/carton Q`TY 20′: 558set 40′: 1220set 40′HQ: 1352set