The Logitech® speaker system Z623 offers extraordinary and full 2.1 sound. The THX®-certificate stands for quality: The speakers meet the strictest performance standards and have, therefore, been THX-certified. Hear and feel, how these loudspeakers with 200 watt power bring music, films and games to life with impressive sound. Thanks to several inputs as well as the in-built headphone socket you can connect up to three audio devices. Two quickly setup satellites and a powerful subwoofer provide for full sound - even in large rooms. With the integrated control elements you have everything under control: Turn up (or down) the volume and bass and enjoy music, films and games as you prefer.