The SonoPak Recording System is designed to be used with portable digital recorders (recorder not included). It is an extremely versatile device that greatly simplifies discreet, high-quality field and live recording. Perfect with Minidisc, WAV, MP3, DAT and other digital recording devices. Recorder not included. SonoPak is small leather bag with 2 omni-directional microphones wired together with a stereo cable. The beauty of SonoPak is the fact that all of your recording equipement?recorder, microphones, cables, etc are in one convenient self contained unit.