A tube is the PERFECT pressure vessel. Like a rocket engine, canned drink, and even your own ear drum, a tube is a perfect pressure vessel. And, Bass is pressure.
Bazookas innovative, patented design makes use of the tube shape to deliver the most efficient output of sound. Think of the shape of an aerosol can the Bazooka Bass Tubes enclosure design works the same way, effectively pushing out all of the music without losing any sound that would otherwise get trapped in the corners.