M300: Latest software version


What is the latest software version for the M300?


The latest version is 1.2. Download it below.

Changes from version 1.1 to 1.2:

  • Bulk dump now works with full bank. Other Information: Internal SW changes only, no new features. SW upload tool is available.

How to update the software using MIDI-OX:

  1. The existing user presets should not be affected by the update, but we suggest that you make a safety backup as described in the user manual.
  2. Connect the PC MIDI-Out to the M300 MIDI-In socket.
  3. Press and hold the "PRESET" and arrow-up keys during power up to enter the software update mode.
  4. The M300 gain reduction meter will start a running light.
  5. Send the .syx file from MIDI-OX
    IMPORTANT: After the upload has finished, you MUST wait up to 1 minute until the M300 automatically reboots.

You have now successfully uploaded the new application software to your M300.


After otherwise successful load, the M300 does not reboot: Turn the power off and retry load procedure.
Tap LED does not turn on after clicking the "UPDATE" button in the SoftUpdater window: turn the power off and retry load procedure.

In case of persistent errors, disconnect the power cable to the M300 for 10 seconds, then connect it again and retry the load procedure.

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