Harman Kardon HKTS 10 Home Theater Speaker System (Discontinued by Manufacturer) 6-piece home theater speaker system, frequency response 35 to 20,000 Hz (-6 dB) 4 satellites (left, right, and left and right surround) with 4-inch woofers and 1-inch tweeters Center channel speaker with dual 4-inch drivers and 1-inch dome tweeter 150-watt powered subwoofer with 12-inch cone and bass-reflex enclosure Includes cables and wall mounts