The Logitech R-20 stereo speakers offer optimal audio in a sleek, compact design. Enhance your games, music, and movies with smooth bass by connecting these speakers to PCs, CD and MP3 players. Subwoofer completes the package for full sound. Also includes volume control and headphone jack. Features: Enhance your listening experience. The Logitech R-20 2.1 speakers include a ported wood subwoofer to deliver deep bass. Optimize your sound via the high excursion drivers. Plug and Play. Connects easily to PCs, CD and MP3 players. Listen privately by using the headphone jack. Don't worry about interference from other devices. The shielded satellites let you use the R-20 stereo speakers near your PC monitor or TV.