Greykitkat36
New member
I have a Behringer PMH880S 10-Channel Powered Mixer (800 Watts). It has worked fine for over a year. Recently I plugged it in and attached it to my PA speakers like normal. Now, there is a constant loud buzz coming from it. Even when no mics are plugged in, there is still a buzz. There never used to be. The only way to eliminate it is when I mute all the channels or turn the main master down all the way. Someone help!