Yamaha"s NS-777 speaker system has been designed specifically for home theater applications. The floor standing speaker is a bass-reflex design that can be used for main channels and incorporates a pair of 8" Polymer-Injected Mica Diaphragm (PMD) cone woofers, a 5" midrange cone driver and a 1" aluminum dome tweeter. For improved imaging, the midrange and tweeter utilize Yamaha?s exclusive waveguide horns. This is a single speaker, sold separately. Overview:Enhance your home with the NS-777 High Performance Home Theater Floor Standing SpeakersFeatures:TYPE: Three way, 4-speaker, bass reflex, magnetically shielded floor standing tower.DRIVER COMPLEMENT:Dual 8" Polymer Injected Mica Diaphragm (PMD) woofers5" cone midrange with Waveguide horn1" Aluminum dome tweeter with Waveguide hornINPUT POWER: 100 watts nominal, 250 watts music powerFREQUENCY RESPONSE: 30 Hz-35kHzSENSITIVITY: 89dB/2.83v/1mIMPEDANCE: 6 ohmsDIMENSIONS: (W x H x D) 10-7/8" x 43-5/16" x 15-3/8"WEIGHT: 53.8 lbsThree-Way/Four-Driver Bass Reflex Speaker SystemYamaha"s NS-777 speaker system has been designed specifically for home theater applications. The floor standing speaker is a bass-reflex design that can be used for main channels and incorporates a pair of 8" Polyme