Get ready to rattle the windows and bring your audio to life with the Logitech Z623 200W 3-Piece THX Certified Speaker System. This easy to set-up system features two satellite speakers plus a powerful subwoofer for big sound that fills even the largest of spaces. The system provides 400 watts of peak power and is THX certified for true studio-quality sound. Plus, the speakers include multiple inputs making it easy to connect various devices, as well as integrated controls that let you dial the volume or bass up and down. There's even a built-in headphone jack that let's you listen privately whenever you don't want to disturb others.