Electronic Reverb (320-1110A) Audio Connections Faxback Doc. # 6998 1. Connect a microphone's 1/4-inch phone plug to the MIC IN jack on your reverb. 2. Connect the 1/4-inch phone plug of a shielded audio cable to the reverb's MIC OUT jack. 3. Connect the other end of the audio cable to the microphone input of your receiver/amplifier or PA amplifier. (smm 03/03/94)