Please read the manual
Files have .syx when saving!

  1. I don’t know, to give you an indication, my DN project 1 with the presets = 2970kb
    my DN bank C around 50sounds I have made = 16kb
    my DN one pattern = 23kb

  2. Just copy the project and you need to set your machine to usb only in the settings menu then sysex dump goes pretty fast! rtfm

  3. I think OB does not work with the mk2’s (yet)?