Compact design and superb sound quality in a home theater solution, from MartinLogan. The front, center, and surround satellites include 1-inch titanium dome tweeters and 4.5-inch or 3.5-inch poly cone woofers. The powered subwoofer, featuring a 10" driver, plays down to 37 Hz with a 360 watts dynamic peak amplifier (120 watts RMS).