On 10 Apr 2006 08:21:37 -0700, "Sat" wrote:

I am having a problem with the rear speakers in my 2001 audi a4, the
front speakers seem to be fine but the rear speakers seem to play at a
very low volume also I do not think the rear sub woofer is working.

If you've got an aftermarket head unit fitted, this is probably
because of the interface. The Autoleads interfaces in particular have
a low sensitivity input, so unless the head unit has high voltage
preouts, the rears tend to sound fairly quiet. To overcome the
problem, you can bypass the amps, or fit a line-driver between the
head unit and interface.

Jon
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