MINDBURNER 3 into 1 MIDI auto switch unit & cover, NOT merge

Product Code: SWITCH3
Product Condition: New
Units in Stock: 2


Got MIDI controller keyboards and don't want to have to keep unplugging them? Then this MIDI switcher will do the trick.

It will automatically transmit the MIDI data for the keyboard currently being played.

Please note this is not a MIDI merge unit. Only one input can be used at a time. Otherwise MIDI notes may hang. It just automatically switches to whatever keyboard is now being used.

What does it do?

This midi device allows one of 3 MIDI inputs to control a MIDI slave. It's especially suited for people with say 3 master keyboards who record into a sequencer. Any one of the master keyboards can be used. One keyboard may have velocity sensitivity and the others not. One of the keyboards may have better performance controls than another. So it might be cool to use that for some recording.

Or you may play live and have a number of keyboard controllers at different parts of the stage. 

How is it powered?

Comes with 2.1 to USB lead to power from USB source (0.75m L)

Can also use pretty much any 5-6v DC 'wallwart' type power transformer. With a 2.1 mm female plug. Positive on the Tip of the plug. 

How do I connect it?

  1. Plug in a master controller keyboards into the 3 MIDI IN jacks 
  2. Connect a MIDI lead from the Mindburner MIDI auto switch MIDI output to your slave units, computer DAW, sequencer MIDI input.
  3. Plug in said Power adapter/USB lead. Green LED lights
  4. Job done

 Why not just do a MIDI merge?

Yes it would seem that this would be a great solution. Basically merge units usually require coding and a microcontroller to handle the task of merging MIDI data together successfully. A reasonably difficult task to do right. Honestly, this would be above my current design skills. Plus it may be quite expensive. This switcher may be quite a good compromise.


  • Saves unplugging MIDI leads
  • Reverse polarity protection
  • DC power LED
  • 3 red MIDI signal LEDs. These show if there is an incoming MIDI signal, neat! Can be used to test cables etc. Independent of power supply.
  • Very fast with no noticeable drop.
  • Designed and built in N Ireland by myself, an electronics enthusiast
  • Priced Competitively
  • High quality reliable design
  • 3 year warranty on normal use
  • Rugged RS sourced 5-pin din connectors, and IC's. 
  • Each MIDI input can be enabled or disabled using the 3-way DIP switch
  • Dimensions 100x60mm 
  • Power consumption 30mA

£35.99 inc. tax

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