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    CME Pro WIDI Master Wireless MIDI over Bluetooth

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    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!

    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.



    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


    1x MIDI IN (5pin-DIN)

    1x MIDI OUT (5pin-DIN)

    Switch, indicator

    1x switch

    1x Multicolor LED

    Compatible MIDI

    All MIDI devices with 3.3v or 5v powered 5-PIN MIDI OUT ports following the MMA standard

    Compatible BLE MIDI

    WIDI Master, WIDI Jack, WIDI Uhost, WIDI BUD, standard 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


    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.