Model610 is an indispensable tool for owners of the Sequential Circuits Six-Trak synthesizers. Features: - Hands on control of all synthesis parameters in an intuitive layout - Special MONO and STACK modes for new sound and performance possibilities - Built in patch librarian for easy patch naming and management - Automatic patch backup to the cloud - Easy configuration via dedicated design. Requirements: - A Sequential Circuits Six-Trak Synthesizer - An iOS capable MIDI interface (or network MIDI solution) - Any iPad running iOS 8.0 or later