This systems exclusive Klipsch MicroTractrix® Horn maximizes digital technologies such as CDs, MP3 downloads, streaming radio programs and other popular personal audio applications, and delivers a level of power and accuracy never before available. The high output digital hybrid amplifier driven ProMedia 2.1 computer speaker system incorporates a convenient headphone jack as well as a miniplug input that makes it compatible with gaming consoles and most portable audio devices. This powerful computer speaker system is currently available in 120 volt version only.