ok i just got 2 12's the are ma audio, and are like 800 watts each http://cgi.ebay.com/ebaymotors/800-W...QQcmdZViewItem
and so i want an amp to get the most out of them, what kind of amp should i get?, and what is the difference between mono, 2, 4, channel amps? how manny watts to power two? thanks reps wil be givin