My radio cd player has a pre amp built in it and I am wondering if this is why my 2CH 1200 watt amp. keeps shutting down? also I am running a 4 CH amp. to increace power to six speakers inside the car and the 2 CH is for the kicker box in the trunk only.

Audio Players & Recorders - Digi-Tech - DOD-Digitech 231 - 31 Band Per Side Equalizer Home Equalizer