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Wireless MIDI over Bluetooth Adaptor

Replace your Wireless MIDI cables with the CME WIDI Master!

The WIDI Master is your new 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 MIDI connectivity

Simply replace your MIDI cables and rearrange your studio and enjoy the freedom of WIDI

Detachable design

Only connect what you need with a separated adapter design for MIDI OUT only

Bluetooth 5: Go Faster, Go Further

Trusted technology for live and on stage. Secure connection with twice the speed and four times the range

Versatile application

Connect with even the rarest instruments. 45 degree bridge cable design for vertical DIN connector setup

Ultra low latency

Go pro with ground-breaking latency reduction as low as 3ms. Smart algorithmic transmission optimization

No external power

Enjoy the fully standalone wireless solution. Supports both 5V and 3.3V via MIDI OUT DIN

Automatic pairing

Setup instantly. Operate easily. Automatic master/slave switch and default pairing memory

Lifetime updates

Always benefit from the latest developments. New features updatable via WIDI Plus application software

MIDI Clock and SysEx

Sync your drum machines, step sequencers and arpeggiators. Transmit all MIDI messages over Bluetooth

Wireless upgrade via Bluetooth

The easiest way to upgrade your firmware. Firmware upgradeable by air via WIDI Plus application software

Here's what you can do with the CME WIDI Master!


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.


Play your standalone MIDI hardware and pair it with your iOS device or Mac with one (1) WIDI Master using smart auto switch mode.


Wireless technology

Bluetooth 4/5, MIDI over Bluetooth Low Energy-Compliant


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

Firmware update

By air using WIDI PLUS software (iOS/ MacOSX)

Power supply

5V/3.3V compatibility MIDI OUT DIN


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.

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