Bring bose sound to your computer. New companion 2 speakers, with truespacer stereo signal processing circuitry, provide dramatic, spacious sound from discs, downloads and streaming audio. With a sleek new style, the speakers are designed to provide sparkling audio clarity, while a ported enclosure helps deliver full, deep low notes. Dual inputs let you add an external sound source (e.g., mp3 or cd player) along with computer audio. Conveniently located volume control and headphone jack. Magnetically shielded to prevent interference to monitor. Graphite with silver trim