I know everyone is probably tired of posts about this topic, but I have searched and searched and tried everything but I cannot solve this problem. My computer in my car worked great with a very small but tolerable hum, until just recently when I installed an amp to power my speakers. Now I get a very loud buzz even with the volume all the way down. The buzz only occurs when the computer is turned on; when the inverter is on without the computer plugged into it, there is no buzz at all. Also, the buzz is louder in the right speaker than the left. I have both the power supply of my computer and my 140 watt inverter grounded to the same spot as my sub amp and speaker amp. I have tried separating the rca and speaker wires away from all wires related to the comptuer, but that had no effect on the buzz. Also, I tried plugging the computer into a surge protector and then into the inverter, and this decreased the buzz somewhat, but it was still loud. The audio of my comptuer is connected to the head unit via rca cables plugging into the aux input on my head unit. That's all the info I can think of, please help me somebody!
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Stupid Buzz! (I have tried everything)