Yamaha NS-C225 2-Way Acoustic Suspension Center Channel Speaker (Discontinued by Manufacturer) High-performance center channel speaker with silver wood-finished cabinet Dual 3.12-inch polymer-injected mica diaphragm cone woofers 1.12-inch aluminum magnesium dome tweeter; 65 Hz to 50 kHz frequency response Slim profile matches flat-panel and plasma TVs; gold-plated speaker terminals 120 watts max input power (40 watts nominal); 17.3 by 3.7 by 5.2 inches (W x H x D)