Any help here would be appreciated......I know alternator whine has been covered here extensively, but I have a specific question.....I have an Alpine CDA9813 HU linked to an MTX Blue Thunder 504 4 channel amplifier. All of the appropriate troubleshoots have been done.....it turns out that I only get whine out of my REAR channel....when unplugging RCAs, it is gone. I have switched the RCAs to the front and the whine does not appear, so I know it is not the RCAs. Does this sound like I have a defective amplifier? No matter what I do, I only hear whine out of the rear channel of this amp. Before I buy a new amplifier, does anyone have any other ideas? Thanks
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specific amplifier problem question