Apogee Duet 3 Dock - Desktop I/O Dock for Duet 3Duet set the standard for making music and recording on the go with its small footprint and flexible breakout cable. But when working in your studio, the best way to use Duet 3 is with the all new Duet Dock (sold separately). The Dock positions Duet at the ideal angle for quick adjustments and meter and function visibility. The rear panel connectors on Duet Dock make it easier to organize and connect your cables to Duet.