The 4ch amp is a rockford 500x has a 50 amp fuse and 125x4 @ 2ohm or 62.5x4 @ 4 ohms.

The 2ch amp is a rockford 400s has a 40 amp fuse and 200x2 @ 2 ohm or 100x2 @4 ohms.

The car has speakers in the rear doors and rear deck, so i wanted to use them all.