Ideal box size?

[AnthonyXJ]

I currently have the Rockford Fosgate Prime R1L-2X12 which are 2 R1 12's that come already in a box. The only problem is the bok is on the smaller side and I really have trouble hitting those really deep lows. The subs flex quite a bit but the low end just isn't there. So my question is would getting a bigger box help me hit those lows better? If so, whats the optimal volumes for the box?

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[frogcase2002 10+ year member]

Building a box to spec. will make a hell of a difference.. look up how much cubic feet they recommend for each sub ported

 

[AnthonyXJ]

You say ported, but it's recomemded sealed. That make a difference?