CME WIDI Master Wireless MIDI over Bluetooth


Wireless MIDI over Bluetooth

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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 WIDI Plus application software

Wireless upgrade via Bluetooth

The easiest way to upgrade your firmware

Firmware upgradeable by air via WIDI application software for Androïd & iOS.

What can you do with MIDI over Bluetooth?

Fully Standalone. Completely Wireless. 100% 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.


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.

Specifications *

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

Power consumption

37 mW


Main: 21mm (W) x 21mm (H) x 49mm (D)
Sub: 18mm (W) x 18mm (H) x 24mm (D)

Weight 0.12 kg
Dimensions 0.21 × 0.21 × 0.5 cm


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