Hi just recently got my car stereo to stage one- Pioneer x720bt DDin/ Kicker CS Series 6 1/2" doors, CS Series 6x9" rear deck, Kicker ZX200.2 amp, and 2 Kenwood KFC W112s 12" 8ohm 250w RMS in a sealed 3.0 cubic foot box. It don't sound bad at all but amp seem to get hot easily at 1/4 gain, no...