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CME Pro WIDI Master Wireless MIDI via Bluetooth

5 items left

What is WIDI Master?

WIDI Master is your virtual MIDI cable.

Bluetooth MIDI is the new wireless standard as approved by the MMA.

Now you can connect all your MIDI devices - without computers - without cables - with MIDI over Bluetooth!

Smart Connectivity Algorithms

WIDI distinguishes itself from any other Bluetooth MIDI technology available through its unique SCA technology. SCA is a collection of highly effective algorithms that optimise the performance of WIDI in any given situation. SCA stands for Dual Role Automation, Automatic Pairing Mode, Smart Hub Functionality, Latency Reduction Optimisation and Range Performance Optimisation!


  • Point to point BLE MIDI connectivity
    Simply replace your MIDI cables
    Rearrange your studio and enjoy the freedom of WIDI
  • Bluetooth 5: Go Faster, Go Further
    Trusted technology for live and on stage
    Secure connection with twice the speed and four times the range
  • Ultra low latency
    Go pro with ground-breaking latency reduction as low as 3ms
    Smart algorithmic transmission optimization
  • Automatic pairing
    Setup instantly. Operate easily.
    Automatic master/slave switch and automatic paring.
  • MIDI Clock and SysEx
    Sync your drum machines, step sequencers and arpeggiators
    Transmit all MIDI messages over Bluetooth
  • Detachable design
    Only connect what you need
    Separated adapter design for MIDI OUT only
  • Versatile application
    Connect with even the rarest instruments
    45 degree bridge cable design for vertical DIN connector setup
  • No external power
    Enjoy the fully standalone wireless solution
    Supports both 5V and 3.3V via MIDI OUT DIN
  • Lifetime updates
    Always benefit from the latest developments
    New features updatable via using WIDI App (iOS/Android)
  • Wireless upgrade via Bluetooth
    The easiest way to upgrade your firmware
    Firmware upgradeable by air via WIDI application software for Androïd & iOS.


Fully Standalone. Completely Wireless. 100% MIDI.

  • MIDI to MIDI
    Connect two standalone MIDI hardware devices with two (2) WIDI Masters.
  • Bluetooth (BLE) to MIDI
    Pair your bluetooth MIDI controller with any standalone MIDI hardware device using one (1) WIDI Master.
  • MacOS/iOS BLE to MIDI
    Play your standalone MIDI hardware and pair it with your iOS device or Mac with one (1) WIDI Master using smart auto switch mode. About Windows/Android.


  • Wireless technology:
    • Bluetooth 4/5, MIDI over Bluetooth Low Energy-Compliant
  • Connectors:
    • 1x MIDI IN (5pin-DIN)
    • 1x MIDI OUT (5pin-DIN)
  • Switch, indicator:
    • 1x switch
    • 1x Multicolor LED
  • Compatible devices:
    • WIDI Master, WIDI BUD, Bluetooth MIDI controllers, iPhone/iPad/iPod Touch, Mac with Bluetooth 4.0 or later
  • Compatible OS:
    • iOS 8 or later, OSX Yosemite or later
    • Windows 10 v1909, Android 8 or later
  • Firmware update:
    • By air using WIDI App (iOS/Android)
  • Power supply:
    • 5V/3.3V compatibility MIDI OUT DIN
  • Power consumption:
    • 37 mW
  • Dimensions:
    • Main: 21mm (W) x 21mm (H) x 49mm (D)
      Sub: 18mm (W) x 18mm (H) x 24mm (D)
* Note: Prices and Specifications are subject to change without notice.

Customer Reviews

Based on 5 reviews
Adam Femia
Sensational midi over Bluetooth!!

Amazing unit, just plugged it in first time it works, can’t ask for much more than that!! Thanks Koala!!

Matthew Arnott
Widi Master

So far, working flawlessly 😊

Michael Lieberman
WIDI Master Wireless MIDI via Bluetooth

Exceptionally easy to install and was up and running within 5 minutes. Running it via an Ipad. Suggest to search Youtube for helpful hints to avoid reinventing the wheel.

Samuel Yakopo


Paul Lewis

They were hard to update and get working. And unfortunately they do not work with my system, but that is not the fault of the WIDI’s. Now they are untested and for sale..