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Old 01-05-2013, 08:41 AM   #6
markusmarkus
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Join Date: Jul 2008
Location: USA
Posts: 1,313
My Ride: 2001 330Ci
Quote:
Originally Posted by sdbyrd View Post
I don't see what type of aftermarket head unit I buy has anything to do with my question. It's a general question about whether or not the upgraded BSW speakers would sound better or not.
But it does matter what your aftermarket head unit is the reason: the oem head up outputs balanced differential signals. The new head unit puts out regular unbalanced line level signals. These are overpowering the oem amp.
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