(sorry, this is car audio related) I built a new subwoofer for our car, the goal was to go as small as possible - so it's a sealed box housing two Sundown Audio EV8's, around 0.7 cu ft net. I measured the anechoic response of that box (outside, box 3 feet off the ground facing upwards...

SOLD!!! Tested for Data-Bass. 9/10 cosmetic, 10/10 functional. No problems with the driver. $470 shipped to the continental US 48 only. Thanks...Josh SOLD!!!