The A-16II allows individual performers to create custom monitor mixes tailored to their individual needs. Designed for use in live performance or in the studio, the A-16II Personal Mixer gives each performer control over channel volume, grouping, pan, stereo spread, and master volume and tone. Every Personal Mixer in a system can create a unique monitor mix for a performer. Users can save and recall up to sixteen custom mixes as presets in their Personal Mixer. Read more at the Aviom Product Site: http://www.aviom.com/Aviom-Products-1/Mixers-1/A-16II-Personal-Mixer