This “3 and 2/3 way” loudspeaker system features the patented “Stealth UltraflexTM”, for a better bass extension, the “Anima Legata” system and the “Tuned Mass Dampers”, for maximum elimination of inner spurious vibration, the patented “Zero Vibration Transmission”, for saving the listening environment from the spread of vibration and for a better performance of the infra-woofer, and the “Sound Field Shaping” technology, for a new dimensionality of sound and perceived size of the sound-stage.