20HZ And Below

ok i got a few questions about boxes and i would love to kno the answers so i can further understand tuning a box gross air space, port volume, port range area, physical port length, port area, and net air space how do these effect the box and such. if someone can please answer these questions that would be awsome

i was wondering if the acoustic resonance effects the way your output of your subwoofers or the sound.