Detailed Product Description features:max RMS Output Voltage(each channel) 90VMax peak Output Volage 140VFrequency Response(+0/-0.3dB,1W/8Ω20Hz-20KHz,3dB@150KHzpower Bandwidth(rated power at4Ω,1%THD+N)20Hz-20KHz,-.2dB/+.2dBTourClass protectionACL,IGM,AutoRamp,short circult,DC voltage,turn-on/off transient,current inrush,sub/ultrasonic inputTHD+N rated power.4Ω/1khz)<0.03%SMPTEIMD(rated power.8Ω)< ...