I'll sell you my Power Acoustik a3000db for $265 shipped.
3000w MAX power
2300w rms@1ohm
1800w rms@2ohms
1100 rms@4ohms
It's not a 2 channel but if your wanting a 2 channel so you can run 2 subs you really only need 1 channel to hook both subs up to...
Throw me a PM and we can talk.
Kenwood KAC-X811d 400@4 800@2 1000@1ohm CEA Compliant. 190+ Shipping