So I'm new to this car audio stuff but I have always been intrigued by it all. Anyway I just purchased two Pioneer - 12" Dual-Voice-Coil 2-Ohm Subwoofer Model: TS-W309D2 for my 2012Chevy Cruze. The only thing I need now is an amp. The peak power for one of these is 1400w and the max Rms is 400w...