The Bose Companion 5 Multimedia Speaker System is built with theTrueSpace surround digital processing circuitry that enhances yourlistening experience with just two speakers. These speakers are assembledright on stands, saving your precious desktop space. Bose companionspeakers are magnetically shielded to eliminate monitor interferenceor any damage to magnetic media. They are also equipped with compressioncircuitry to ensure that your music is clear and undistorted at highlevels of volume. This 2.1 channel speaker system has the patentedintegrated signal processing to let you enjoy deep, expressive musicin all volume levels. It includes the hideaway Acoustimass moduleto deliver even the lowest frequencies into your listening room.The Bose computer speaker system also has a multifunction controlpod, which includes volume, single-touch mute, headphone jack andauxiliary input.