(2) Rockford Punch Hx2 15's box design

[R.j. Stanford]

Hey guys im building a box for 2 Punch Hx2 15's and was wondering if anyone could design me a fair box or atleast help me find out what kinda displacement these woofers have, the deminsions im working with right now are something like 35x40x20 and I would prefer slot ported at around 32 hertz.

Thanks!

[Joe X]

What vehicle, amp?

[R.j. Stanford]

hifonics 1200 watt Brutus at 1 ohm and its in a jeep wrangler with the back seat removed

[R.j. Stanford]

and my demensions are going to be something more like 35x32x20

[IBleedMusick]

Per the manual for all hx2's the 15 has a .109 cu ft speaker displacement.