aq1200/2200d

I have a hdc312 dual 1 ohm and aq1200d i would only be able to run it at 2 ohms due to lack of electrical at this moment so the sub wouldnt be getting the full power it wants. So my question is should i get a aq220d to give it more power at 2 ohms or just get a hdc12 dual 2 ohm. or would the 2...