I really think the sims don't tell the whole story when you use a small box. Maybe it wouldn't be a big deal with a very powerful motor in a higher-end subwoofer, but these things like a larger box, or at the very least if you want a tiny box have a bunch of them. I get better excursion and bottom end before obvious distortion from 6 JBL's powered by a xls1502 in 1.6 cuft each vs. 4 powered by a 2502 in 1.2 cuft, both stuffed, etc. What I'm saying is that smaller box with more eq and more power does not equal a larger box with less power and less boost, and the reason is I think we're just near limits of a $30 driver that likely cost Harmon between $5-$10. If you can make the box bigger, within reason, IMO do it. If not, don't sweat it, but make sure you have 10 dozen or so (lol).