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zammajg
07-10-2012, 01:59 PM
I am new in this site and new in the business of installing my stereo and sound. A friend gave me a two channel amp (Majestic MA750) and I bought some speaker. I installed everything according to advice from this site and internet gurus. Now that everything is installed, when I start the car the speakers make this loud hissing. I have tried everything I have read on the internet, and the noise is still there. When the car is not running the noise disappear, and that makes me think that the amp is not bad. I could be wrong.
So if anybody has any input in regards to this issue, I will appreciate your inputs.
Thank you

audiobaun
07-10-2012, 02:06 PM
Welcome!!! Pics of amp location, and grounding location,Type of head unit installed too,and size of power wiring used,type of speakers/size/brand/model,.will help out to try to eliminate your issues.:)

Sonic.
07-10-2012, 02:07 PM
welcome

myjaja
07-10-2012, 02:21 PM
Hello

You either have some ground issues or bad rcas.

knotdrummer88
07-10-2012, 02:23 PM
my first thought was a bad ground

denim
07-11-2012, 05:22 PM
Welcome to ca.com.