Ok i would like to get a pair of re audio sxx subs for my car im just trien to figure out how many ohms this sub is it says Dual 2/4 ohm which means what a dual 2 ohm or dual 4 ohm or is it a combo heres a link( http://reaudio.com/specs.html#sp_sxx ). If it aint any trouble can you tell me how many ohms it would be wired in Parallel in what would be a good sub to power it i was gona go with one rockford fosgate t2500-1bdC, or 2 alpine pdx 1.1000 if i have the cash 2 jl slasher 1000 if u have and idea for an amp go ahead i love input or some input on subs