The Bolzano Villetri Bellagio 760 speakers have been carefully designed to deliver the best sonic performance, along with unique features. They deliver 360 degree state of the art performance incorporating long-standing tried and true Bolzano Villetri design philosophies: outstanding handcrafting and natural materials, cutting edge Roundstrem® and Channelflow® Technologies, room friendly design. One can use these speakers both at front and in the back. Unbelievable, but these speakers don't need special precise installation procedure due to the Roundstrem® Technology used.