I have two alpine type-r 12's, dual 4 ohm.
ELITE.1 - 3200 Watt Mono-Block Amplifier - Phoenix Gold
The alpine isn't 1 ohm stable, which is what I've heard is best to run two 4 ohms at, but I've also been looking at the Sundown 2500 watt. I want something that will last, and that I can upgrade...