The Presonus AudioBox 96 is an audio computer interface that features two audio inputs and outputs as well as stand 5 pin midi in and out. This allows for high definition recording of audio signals, microphone or instrument inputs, to computer based recording formats. The midi connections allow for control of software based synthesizers or samplers. 2 standard 1/4'' outputs allow for connection to a sound system as well as one headphone output allow for the monitoring of the recording. A mix knob on the front allows for the perfect blend between playback and recording for the performer.AudioBox USB 96 audio interface works with virtually all Mac and Windows audio-recording software, it comes with a free license for PreSonus' Studio One Artist recording software, giving the performer a complete recording solution. Built by creative people for creative music production, Studio One is easy to learn and enables you to compose, record, and produce your music.