Infinity 475a amplifier makes a high tone
My infinity amp makes a high ringing only when the car is on. if i listen 2 it in accesory moge of my car it goes away but when the car is on and running it makes a high pitch wine threw my speakers. also if i rev my car up it gets louder... any ideas on my problem or how to fix it please let me no. thnx. oh and both my head unit and amp are brand new.
Car Audio & Video - Infinity - 475A Car Audio Amplifier
Answers & Comments
Your stereo is picking up alternator whine. If you're good, you can make the motor fit with the song... kidding.
you can purchase a noise filter that will fit on the ground line of the alternator.... here's a few to scope out online
this will get it out for ya...
k