Recent content by Rhino3207

The noise itself is definitely from the speakers but my thinking is that it could be something wrong with the amp as the root cause. Im playing with the amp to see if anything happens. Whenever I flip the Hpf filter the noise briefly goes away but that might just be a function of the switch...

I tried that and nothing changed unfortunately. Any other ideas or things to check?

Hello, I recently bought a 1996 firebird with audio issues. Whenever the head unit is turned on there is a high pitched "mosquito noise" coming from all of the speakers. The sound is there if the engine is on or off. The audio will still play through the noise but it's fairly loud. There was...