FAQ What is the input voltage for CA-301? The input voltage for CA-301 is 100-120 Volts AC and 220-240 Volts AC.Can CA-301 be used in mono mode? Yes, CA-301 can be used in mono mode by activating the mono setting in the input section.What type of connectors are available for CA-301? CA-301 has XLR and RCA line connectors available for input and output connections.