The Mellotron Micro is the smallest version available of the Digital Mellotron, and includes many of the features of the full-size version. It includes  sourced from original first-generation Mellotron and Chamberlin tape libraries. is the built-in library for the Micro and M4000D series of instruments. The 100 sounds are the sounds on the built-in of the Micro and M4000D series of instruments. An octave selector switch provides access across the same range as the larger M4000Ds from Micro’s two-octave keyboard. The semi-weighted keys and MIDI connections also allow the Mellotron Micro to be used as a high-quality controller in your studio or on the road. Additional controls include octave selector, volume, tone, normal/half-speed play and pitch adjustment. 

NOTE: expansion cards are NOT compatible with Mellotron Micro

To update your Micro Rev 2, please use the Mellotron Updater app ( and ). This update process uses Bluetooth and takes less than 1 minute. The Rev 2 Micro is the revision without the SD slot in the back.

On the Rev 1 the SD slot is between the MIDI jacks and the Phones jack. The Rev 1 needs to be updated with an SD card. If you'd like to update your Rev 1 Micro, please fill out , or go to