awg

I'm installing a new system in my car and I was just wondering what AWG to use. Here's my equipment: American Bass TNT 1544 with an AudioPipe APCL15001D. I was thinking 4 gauge. What do you guys think?

Bought all this stuff for my car, but had a financial mishap and need to sell it all to recoup some cash. Absolutely no trades guys; gotta have cash...Shipping is included in price to lower 48 states. Mmats D800.2 - 10/10 cosmetic and 10/10 function. ($165) True Bass Ultra 8" D2 - Sub is...