Yamaha NS-777 3-Way Bass Reflex Tower Speaker NS777 (each) *FREE SHIPPING* 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 Polymer-injected Mica Diaphragm cone woofer combines high-performance materials and design for extreme accuracy Highest quality internal Monster Cable wiring High frequency response dome tweeter delivers clear, natural highs Bi-wiring connectivity Beautiful Yamaha piano finish with elegant elliptical form Dual 8" PMD Cone Woofers 5" Mid-Range Driver with Waveguide horn 1" Aluminum Dome Tweeter with Waveguide horn Magnetic Shielding Highest Quality Internal Monster Cable Wiring Bi-Wiring Connectivity Banana-Plug Compatible Terminals Frequency Response: 30€“35000 Hz Sensitivity: 89 dB/0.283 V/1 m Input Power (Maximum/Nominal): 250 W/100 W Impedance: 6 ohms Dimensions (W x H x D): 10 7/8" x 43 5/16" x 15 3/8"/ 276 x 1100 x 390 mm