... Maximum Input Level+22.0dBu(10.0Vrms)Protection CircuitsSoft-start,inrush-current limitation,temperature monitoring of heat-sinks and transformer,output ... short protection,output DC protection,output over current protection,mains fuses protection,turn-on/off muting,RF ... )Output Connectors2 POWERCON jacks,one is for CH1 and CH2, the other is for CH3 and CH4Modes of OperationBi-amp( ...