Roundstrem® and Channelflow® Technologies used to achieve large, open and dynamic sound of the Bellagio 780. Solid wood and leather result in a striking design of this masterpiece of loudspeaker creation. The stiff, sturdily constructed cabinet ensure that you hear less box and more pure Bolzano Villetri sound. The use of two 1.125" silk soft dome tweeters with neodymium magnet and Ferrofluid gives you the best possible experience from the high frequency range. New dedicated two 5" Seas Midrange drivers with pulp cone for detail and accuracy in the crucial mid-band.