Full bass, compact design. The Logitech® Multimedia Speakers Z213 feature a down-firing subwoofer with 4” driver so you can enjoy a rich, deep bass experience that adds another dimension to your music, movies and games. Adjust the bass to your taste using the dedicated control knob and conveniently access power, volume and the headphone jack using the wired control pod. With its compact, inclined speaker design, the Z213 multimedia speaker system delivers excellent acoustics without sacrificing sound quality or valuable space on your desktop.