designer's own words:choose the sound your speakers will produce by flipping it over. roll is a three way speaker that is shaped as a six sided polyhedron. it has three possible bases and three sides with a woofer, a mid range and a twitter aimed to different directions. when trying to create a quality sound, the only indefinite variable is the acoustic surrounding of the speaker. indoors, the surrounding influences the quantity of direct and indirect sound waves that reach our ear. by rolling and turning it you can define both; which direct and indirect sound you will hear, and its desired appearance.