heres the thing id like to go 4 channells (so i can just run one amp) run atleast 125 to each boston....but in the rear ive got 50 watt boston fs speaks....CAN i run the front channels on 150x2 and the rears at like 50x2...i was looking at the kicker 850.4, i dont know though what would be the best though? are kicker amp 3 ohm stable, b/c the pros are 3 ohms