Hear every detail, all around you - this THX-Certified system delivers theater-quality surround sound for your movies, games and music. The Logitech Z906 Speaker system packs a lot of bang for your buck. You get big, bold sound and details galore from these 500-watt, THX-Certified speakers with 5.1 digital decoding. Youve got total control over your audio experience with an easy-to-read-and-stack digital control console and a wireless remote.