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      09-04-2008, 04:03 PM   #35
Technic
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Drives: 2015 320i
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Quote:
Originally Posted by jonywalker View Post
Hiss is such noise signal comprising high frequency components, your subs normally are not able to play that noise. I assume you made a wrong grounding. This is the case e.g. the amp is grounded onto the (-) bolt of the battery, thus inducing the low frequency noise from the electric generator into your amp.
I was wondering the same thing thus my original question...