ok so i have 2 pxw1552 15" subs and atm i only have one in the car in a 6ft sealed box. in the back of my ed wagon and it hammers.

well it has pout out 122db at 35htz

now ive got myself a second sub and am looking for ideas on what size box to run the pair in.

ide like a ported box and to try and keep it round 45htz max. i like the low thumping bass.

what u guys rekon?