i startin buildin ma system a few months ago n im near the end, i have my head unit, apline 9827 and my type s speakers r great. The sub i have gotten is a 12inch alpine type R , 300w rms and dual 2-ohm voice coils (item # swr-1221d . The only thing im havin trouble with is findin an amp that will make is hit pretty good. I like listenin to mostly rap and some rock and im jus wonderin wat amp will make it kick. Any input would b great, thanks fellas!