'08 Kicker zx1500.1, excellent condition, 750+ watts at 4 ohms. When you're ready to upgrade, you can get another 4 ohm R, and give them 1600+watts. $325 shipped.
Or if you're on a tight budget, I have a US Amps MD22 2 channel. 250x2@4ohms and 1x600@4ohms bridged. $120 shipped. Pm me if interested.