which would you suggest

2 x american bass vfl 450.1

or

2 x audioque AQ2200

or

1 x audioque AQ3500

that power difference is huge

What will the rest of the setup consist of?

I'll assume that you saw the post I placed in here before the server lost it...

that power difference is huge

sorry meant

1x AB vfl 450.1

1x AQ3500

2x AQ2200

it was originally going to do 2 SA-15s but its going to be 3 15s

I have 2x stock 130a alt, big 3, 2x runs of 1/0 from a stock n1 bat to a stinger in the back

that power difference is huge

sorry meant

1x AB vfl 450.1

1x AQ3500

2x AQ2200

it was originally going to do 2 SA-15s but its going to be 3 15s

I have 2x stock 130a alt, big 3, 2x runs of 1/0 from a stock n1 bat to a stinger in the back

Why do you need that much power for three 600 watt rms subs?