How do you remove ground noise from an amp?
The simple, inexpensive way to fix the ground hum is to plug the piece of equipment into a different outlet that is on a different circuit. Once you can identify which piece of equipment is causing the problem, this is the easiest fix.
What causes ground loop hum?
A ground loop typically occurs when one or more pieces of your entertainment system are plugged into the AC (alternating current) at different locations, then connected together by electrical (versus optical) signal cables—RCA, HDMI, composite, component—whose shielding is connected to ground.
What is a ground loop isolator car audio?
The ground loop isolator is designed to connect line level outputs to inputsfor example from a CD player line level output to an amplifier line level input, both of which would have plug-in (115 volt AC) power supplies.