[Music] [Music] so we've got the ground loop isolator here eliminates noise hum and alternator wine i'll go take a video in the car it'll show you what the sound sounds like and the before and after boss audio systems problem is i had just the subwoofers i never had the issue and as soon as i put the second amp in and started and to be honest it's quite annoying and when i use bluetooth on the phone people say they can hear it on the other end and so i went ahead and bought this and see if we can uh eliminate some of the noise so let's get this open and go test it out so i'm here in the car and i'll start it so you can hopefully hear the noise that the alternator wind and stuff like that could probably already hear it when i cut power to the stereo it stopped and now it's back don't mind the dings see if you can hear it i don't know how well you're gonna be able to hear it but when i ac