Thread: Hissing sound coming from rear speakers.....

Originally Posted by rperry435

He can check his ground and ohm it out but I've seen the hissing problem in many grand prixs and g6's with the monsoon amps.. He'll bose ones do it too. new amp always fixes the problem

Typically in aftermarket stuff a buzzing or whine with rpm is a ground or interference issue.

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\ Thanks guys ...... The change in the pitch of the hiss with engine speed made me think it might be a ground issue.... Also, how it can come and go with a good bump in the road mage me think that way,, but I guess that could also be a bad solder joint in the guts of the amp.... This mounted in the trunk, so if I want to check the ground before resorting to buying a new one, where is the ground and how do I check it ??? Also, if I need to buy a new amp, any recommendations as to make and model ???? Thanks .....