Total power output: 80WMain channel: 3''4OHM 10WSub-woofer: 5.25''4OHM 35WSpeakers: 4INCH+3INCH*5Satellite channel:160Hz ~ 18KHzSub-woofer: 200Hz-20KHzInput sensivity:500 MVS/N: 90≥dBSeparation:60≥dBT.H.D.: 0.1%1W 1KHzPower inquiement:AC 220V/50Hz