A new concept of loudspeaker system is now being presented: Mario Cioni Crystal Sound introduces Sphera, a new loudspeaker system. A speaker of high quality composed of a woofer and a tweeter, made with a precious material: lead crystal. The heart of the system is the crossover specially developed and built to exalt the physical characteristics of the material and its particular elasticity in order to enhance the best of the loudspeaker system capacities. Sphera is composed of two passive speakers equipped of tweeter for an aesthetic that spells and a sound that amazes.