I have 3 12" kickers dual 2 ohm subs. I have them wired to 1.34 ohms. I have a hifonics bx1605, 1600x1 at 1ohm. since its not wired at 1ohm, I was wondering how i would determine my power? should i just use the 1600 watts for my power number? if so it would be sqrt(1600x1.34)=46.3.