2) Impedance: 4¦¸
3) Frequency response: 20Hz-160Hz, 160Hz-20KHz
4) S/N: 70dB
5)subwoofer front with 2.1/5.1/AC-3 function and stand by function
6) Good grill for five satellites
7) Subwoofer size: H310*W170*D370MM
8) Satellite size: H200*W115*D140MM
9)no batteries
980sets/40'HQ