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Fenris's avatar

How do I reduce that background hum coming from my computer speaker plug?

Asked by Fenris (1174points) May 8th, 2010

So, I have a computer hooked up to an EQ that has two stereo speakers plugged into it. There’s a low hum coming from the speakers that’s not there when I feed any other audio source into the EQ. This happens with just about anything I plug into my computer’s audio port. How can I fix this? What’s even causing it?

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4 Answers

judochop's avatar

Try a gold adapter.

judochop (16124points)“Great Answer” (1points) Flag as…
majorrich's avatar

Sometimes you need to run a ground wire between the computer to the board. Is it like a 60hz hum? Is the everything using 3 prong plugs?

majorrich (14741points)“Great Answer” (1points) Flag as…
jaytkay's avatar

I switched to a USB audio adapter to when I had noise problems. No software install, it just works, for both WIndows and Mac OS.

I use the Griffin iMic .

There are sub $10 adapters, I don’t know if the Griffin has any real advantage.
Syba SD-CM-UAUD USB Stereo Audio Adapter

jaytkay (25810points)“Great Answer” (0points) Flag as…
Fenris's avatar

@jaytkay : It’s for a business partner that absolutely refuses to spend any money whatsoever. He made a stage out of pallets he stole. This is the problem. He wants to run a business but doesn’t want to spend money or do any actual work. He’s somehow managed to break even despite.

@majorrich : yeah, everything’s grounded.

Fenris (1174points)“Great Answer” (0points) Flag as…

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