Maybe speaker system has a cut out to avoid popping the speaker .or to stop damage to listeners hearing its proven that too many decibels over long periods of time effect the internal workings of the ear making it harder to hear
Why Does My Subwoofer Go Off When I Turn Up The Volume And Come On When I Turn It Down?
Sounds like your amp cannot keep up with the power commands, try upgrading the power wire to a larger size 4Ga. Is good
you can also try turning the "levels" and "gain" down on the amp to tune it to prevent the problem and sounds to your liking
you can also try turning the "levels" and "gain" down on the amp to tune it to prevent the problem and sounds to your liking