input needed

[94sundance 0]

the box specs 48w*40d*20h port is in the center 18.5h*14w*22d what would this tune to and is it to much port for this box.goals daily ground pounder. subs 4 15 db drive plt15wd 2500rms

[94sundance 0]

No input from amyone. Just meed to kmow if amyone has a true method of calculation I'll do the math myself. Thanks for any info

[duanebrow 6]

Use WinISD. Tuning is about 40hz. I don't know what those subs like, but it should get loud in any case.