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Old 02-23-2013, 01:31 AM   #6
TurnersInOz
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Join Date: Dec 2011
Location: Brisbane
Posts: 492
My Ride: 2004 325i
Sure. Here's some more good reading:
http://www.polkaudio.com/forums/arch...p/t-50193.html
http://www.caraudio.com/forums/wirin...tor-whine.html

I would ground each amp individually.
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