Wining Noise!

[Raffi 10+ year member]

My cousin replaced an Alpine 4 ch amp with a sounstream 4 ch amp(more power). He now has the wining noise. Any suggestions. I have not taken a look at it. I will this weekend..

The amp is strictly for the front and rear speakers..Subs are on a separate amp!

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[jmoreno150 10+ year member]

so two amps different ground point? that maybe the issue.

 

[Raffi 10+ year member]

so two amps different ground point? that maybe the issue.

Nope same ground point!

 

[jmoreno150 10+ year member]

some amps dish out noise but asfar as a whine does it increase with engine rev? and is the ground through a distrobution block? i had that once and the distro block took care of it. all ur signals are away from power?

 

[Raffi 10+ year member]

I do not think the ground is through a distro block...I will see it all this weekend!

 

[Lakota 5,000+ posts]

Make sure grounds are clean. Also check the noise sticky and try some of those things out.