› M1 Support Forum › Background Buzz During Voice Message Broadcast › Reply To: Background Buzz During Voice Message Broadcast
September 9, 2022 at 9:01 am #6357
Are the speaker wires ran in close proximity to 120/220 VAC lines? Disconnect the existing speakers and connect one directly to the OUTPUT 1 and test. The system could have taken a slight surge which may have damaged the onboard amplifier.