Power Output : 25WWoofer rated output (R.M.S.)(W) : 15WImpedanc : 4ΩSatellite R.M.S.: 5W*2Impedanc : 4ΩFreq. Response : 20Hz~20KHz(±3dB)CHANNEL SEPARATION L/R : 60dBINPUT CROSS TALK >75 dBS/N RATE : 85dBINPUT SENSITIVITY 380MvPOWER SOURCE (V/Hz) AC 230V±10% 50HzSubwoofer Drive Unit : 4”X1Mediant Drive Unit : 3”X2