box help

[chato94]

i need help building a box its going in a 94 chevy suburban so space is unlimited i have a sundown audio 4500 i want this thing to pound how big should i make the box and the port i was thinking round 10-14 cf ported around 30hz subs up port ran across the bottom what would be the best box? i listen to rap only too thank yall

[AmericanLegend]

Subs up, port back is a good choice for an SUV. If I were you, I would make the vent square (18 square inches per cubic foot). So, if you're running 10 cubes, an 180 square inch vent will do the business, provided it's tuned deep enough.

[chato94]

Subs up, port back is a good choice for an SUV. If I were you, I would make the vent square (18 square inches per cubic foot). So, if you're running 10 cubes, an 180 square inch vent will do the business, provided it's tuned deep enough.

thanks im gonna try 9cbft tuned at 34htz sups up port back im gonna try around 16 square inches per cubic foot