I can't decide between this Rockford Fosgate P1L-110 Punch Stage 1 10" ported enclosed subwoofer at Crutchfield.com which is $99 and this Rockford Fosgate Prime R1L-1X12 Sealed enclosure with one 12" Prime subwoofer at Crutchfield.com which is $150. Is there a big difference between a 10in and a 12in? Also, what's the difference between ported and sealed (the 10in is ported and the 12in is sealed)? I also have this amp Eclipse EA4200 EA Series 4-channel car amplifier — 60 watts RMS x 4 at Crutchfield Signature. I listen to mostly rap, hip-hop, and RnB if that helps any.