SONY EXPLOD SHUTTING DOWN.

Question

I HAVE A SONY EXPLOD 1600 WATT AMPLIFIER.I HAVE RUN 4 GAUGE WIRES FOR GROUND AND HOT .HAVE MONSTER CABLE SPEAKER WIRES.AND MONSTER RCAS .I AM ALSO RUNNING 2 SOLO BARRICK 12S.SYSTEM SOUNDS GREAT.BUT IT HAS A PROBLEM OF SHUTTING DOWN .BUT COMES BACK ON AFTER A MINUTE OR TWO.DONE WIRE EVERYTHING ON SPEAKERS EVERYWHICH WAY I COULD.NO BETTER WHAT SHOULD I DO.IT FEELS LIKE THE AMP IS GETTING HOT .DOES IT NEED A FAN MOUNTED ON TOP TO CORRECT THIS PROBLEM.THANKS FOR ANY ADVICE.