i have a box that is (out side dim)22x21.25x21.25 i think this would be 5 cub feet?internal.specs are fs 28,re(ohm)3.7, le(mh)3.3, qms 6.20, qes 0.52, qts 0.48, vas (cuft) 4.23, vas (liter) 120, power watts rms 200, power peak 400, spl db@1w1m 89, xmax inches 0.31, xmax mm 8, speaker displace cu...