need help with my box

[sobrooklyn]

box is for two rf hx2 power 12s

all 3/4 mdf fiberglass all of the inside corners

seperate chambers each one is

H 17 1/2

W 17 1/2

D 20

subs are top mounted and the port is out the front

port for each is square not round

H 3

W 3

L 8

i put this info into torres and it says 30 hz

just wanna kno if i can do anything to better my box maybe aero ports

thanx for the help in advance