... (typical) 8Ω load,10dB below rated power,60Hz+7KHz<0.05%Signal to Noise Ratio20Hz~20KHz,8Ω load,A-weighted ... of heat-sinks and transformer,output short protection,output DC protection,output over current protection,mains fuses protection,turn ... -on/off muting,RF protectionDynamic LimiterIntelligentCoolingFour Variable-speed DC fans,front-to-rear air flowLED Indicators Front panelPower-ON,Mode ...