Re: Newbie needs info on speaker/power selection
The 6012si is an Infinity speaker, not Alpine.
Pioneer REV's would be better. I've heard then at 22w per channel off a Pioneer HU and they sounded very decent. Check out OnlineCarStereo.com, WoofersEtc.com, and SonicElectronix.com for pricing.
2011 Kia Optima EX
Factory HU + Speakers
Front Comps - Blaupunkt Vc660 (active) | Sub - Infinity Kappa 800w IB | 5ch Amp - still deciding
Bought from: jacobcopeland87, 95bat, alxmlr789, na_rsx