POWER OUTPUT: R/L (Treble): 8W+8W RMS R/L (Mid-range and bass): 120W+120W RMS FREQUENCY RESPONSE:38Hz-20KHz THD + N (TESTING LEVEL) : 0.3% Signal to noise ratio : 85dBA SIGNAL TO NOISE RATIO: 85dBA INPUT SENSITIVITY:Line in: 600 ± 50mV ; Balance: 1000 ± 50mV OPT/COAX: 400 ± 50mFFs Bluetooth: 450 ± 50mFFs USB: 400 ± 50mFFs INPUT TYPE:Line in, Balance, Bluetooth, Optical, Coaxial, USB