Logitech Z906 5.1 Surround Sound Speaker System – THX, Dolby Digital and DTS Digital Certified – Black

5.1 digital surround sound: Hear every detail in your Dolby Digital and DTS soundtracks the way the studio intended. Sub woofer: 165 Watts
THX certified home theater speakers: Your assurance of true cinema quality sound. Satellites : 4 x 67 W, wall mountable
Delivers a continuous 500 watts of power, with the ability to deliver a peak of 1,000 watts under certain circumstances: Thunderous, room shaking audio with deep bass you can feel