go with 4 hes not tottaly right but it will be gettin what ever power the spaekers ohms r running at if u got 2 12 inch kickers that r 8 ohm runnin2 would put one amp at 4 ohm and on the 1200.1 u can bridge it at 4 ohms and it will pound 1200. watts dont do it if you have the 2 ohm subs just...