i god a dodge magnum '06 sxt. my sound system is a 7'' pioneer indash tv radio and a 15'}}' flip down, wt a 1600 watts hifonics brutus wt 2 12'' punch 1000 watts sub's. the wiering was already installed in the car from the previous owner i'm asking why my amp shuts off when i reach the volume of 24 on the tv radio?