Best amp that puts out 900w rms?

no i wouldnt use that amp, since your sub is only one dual 2 ohm subwoofer, you have to wire it to a 4 ohm load. look for a amp that gives 900 watts rms at 4ohms and not 2 ohms. u cant match a 2 ohm subwoofer to a 2 ohm amp unless its 2 subs and not one.