Yamaha NS-P436 6.1 Channel Home Theater Speaker System (Discontinued by Manufacturer) Home theater package includes 5 satellite speakers, 1 center speaker, and 1 subwoofer Coaxial and full-range drivers in satellite speakers, and coaxial and dual full-range drivers in center speaker Maximum 100 watts power handling capability among satellite and center speakers Frequency response of 30 to 60,000 Hz Measurements: 3-7/16 by 7-1/4 by 5-13/16 inches (satellite); 10-3/4 by 3-3/16 by 5-13/16 inches (center); 11 by 12-13/16 by 12-5/8 inches (subwoofer)