The Logitech Z623 2.1 Speaker System consists of a subwoofer with a power of 130 watts and two satellite speakers of 35 watts each. With this system, you get 200 watts RMS of power and you can fully enjoy the latest movies and music. The Z623 speaker system is THX certified. THX provides impressive, powerful sound for music, movies, and games. This Logitech system has two 3.5mm inputs to connect your
computer to an MP3 player, for example, and a headphone output. With the RCA input, you can plug the system into a more advanced sound card or media player.