D.I.Y. Rubik's Subwoofer

Zachary Paisley builds a 15" Direct-Servo subwoofer to look like a giant Rubik's cube. It took him 80 days to construct and he's even laid out in full detail on his blog how to make one yourself. It will still set you back $1586.08, which is still a bargain for a comparable sub in this category.

For 164 steps in how to create your own, check out Project Cube