Earn 159 loyalty points

CME WIDI Master - Bluetooth MIDI Connector

Wireless MIDI Over Bluetooth - Get Rid of Those MIDI Cables!


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!

Roger Linn about WIDI Master - Wireless MIDI by CME - Bluetooth MIDI Adapter

SCA (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.

What can you do with MIDI over Bluetooth?

  • 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
  • Firmware update: By air using WIDI App (iOS/Android)
  • 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)
Inc. VAT

10+ In Stock

Order now for delivery to you on Tuesday, 26 January 2021  

These items are at our warehouse

UK Next Day Delivery £4.99

Add to Cart

Andertons Music Co. Payment Methods - V12, Mastercard, VISA, Amex, Paypal More ways to pay

Credit & debit cards, Paypal and Instant Finance

Fast & Free UK Delivery

Fast shipping with reputable couriers. Next day & free to most UK postcodes when in stock!

Click And Collect

Just 10% deposit. Pay the rest on collection. No delivery charges. Same price online & in-store!

£18.8 Million Gear In stock

At our store and warehouse, ready to ship direct to you!

Andertons Music Co. Feefo Gold Rating for customer service! Unbeatable Customer Service

Based on independent reviews.