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The subwoofers still thump when i turn the volume all the way down. and they're not thumping the song it's kind of random thumping. I looked at the amp, the power wire looked like it was slightly pulled out from the amp.I disconnect the wire and reinstalled and the thumping still happens.Any ideas?

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Try running a wire from the ground to the shielding of the rca's. if that works you have a bad rca ground. you can either get the amp repaired or solder a wire onto the shield of the rca's.

Posted on Aug 20, 2010

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