Boxe Yamaha NS-777

3-Way Bass-Reflex Tower Speaker System. The EF (Elliptical Form) Series feature Waveguide horns, PMD (Polymer-injected Mica Diaphragm) woofers and highest quality internal Monster Cable wiring for total enjoyment of digital movie sound and music sources, plus elegant Yamaha traditional piano finish cabinets.High sensitivity and wide dynamic range for contemporary digital sources Waveguide horn allows the sound field to be shaped and controlled for optimal spatial expression in home theater environments PMD (Polymer-injected Mica Diaphragm) cone woofer combines high-performance materials and design for extreme accuracy Highest quality internal Monster Cable wiringHigh frequency response dome tweeter delivers clear, natural highs Bi-wiring connectivityBeautiful Yamaha piano finish with elegant elliptical form