Originally Posted by qazvick
I believe it's 8 gauge (about a little bit wider than 1/4" thick) for the main power wire to the amp. That wire is fused at 25 amps. The "Amp hookup" kit it came in said it was good for up to 400 watts... err.... 400 something. Like I said, not good with audio systems.
your gain is probably set too high for the headunit. you cant use the amp gain as a volume control, turning it beyond the tuning point for your amp will only result in clipping & lots of heat.