I have a sony xplode XMZR604R (600 watt amp) and a sony 1200 watt sub and 2 door speakers that i hooked up to it. I jus sold my dual apx4640 and bought this sony 600 watt car amp and i wont work right i have everything hooked up the same way. when i turn it on nothing happen but the red protect light comes on. dose anybody no the problem.