Hopefully someone can help me with this question. I just read some stuff from Fhrx Studios. Should be freak studios because its almost like you answered most of my questions i needed to ask. HATS off to that site!!!

My question is this;

currently installed ;
the front setup is type r splits and type r 6x9s + alpine v12 4 channel

options for sub and amp

Setup 1 ; rockford fosgate mono 1001 amp + 2x15inch RF.

Setup 2 ; Alpine 1005 mono amp + 2x15inch RF

Setup 3 : Alpine 1005 mono amp + 2x12inch alpine type r

1) in regards to battery;

do i need to use optima yellowtops for any of the above combos?

2) in regards to caps;

what cap should i use to be best suited to above combos?

3) which combo would be most efficient in delivering bass even at low volume levels??