I want to get two kicker compvr 10s at 400 rms ea....now do i want to get them with 4 ohms or 2 ohms.....the zx750.1 amp has its most power at 2 ohms but wht ohm subs to i need for it.....im a metalhead who wants tight double bass so im getting a sealed box but i need to know which subs i should get for that amp and how i should wire them (series or parallel)