so i just installed a 4 channel amp and i accidently set the gain all the way to max and after about 5min of playing the music through my head unit my head unit smelled like it was burning and it stopped working. Did setting the GAIN to max do this?

 

doubtful.

the only connection between your headunit and amp should be the sound signal and the remote wire that simply tells the amp to turn on. the gain/volume itself is produced by the amp

 

****...i was hoping it was. I fried my head unit and now im buying another one tommarow and wanted to figure out what i did wrong so it doesnt happen again

 

was it hooked up properly? did you tape up the speaker wires out of the hu so they dont touch

very very rarely do i see a hu throw smoke

 

^^I bet you Brickloaf can do it