1. Introducció i finalview
The CME U4MIDI WC is a versatile 2-in-2-out hybrid MIDI interface designed for musicians, particularly guitarists and pedalboard users. It offers seamless integration with various operating systems and provides advanced MIDI routing, filtering, and mapping capabilities. Its compact and durable design makes it an ideal companion for both studio and live setups.

2. Característiques clau
- Connectivitat Plug-and-Play: Features 2-in-2-out MIDI I/O with zero latency and jitter-free transmission. Supports all major operating systems including macOS, Windows, iOS, Android, Linux, and Chrome OS via USB-C.
- Standalone Dual Power Options: Engineered with guitarists in mind, the U4MIDI WC offers external power options via 5V USB or 9V DC, enabling standalone usage without a computer connection.
- Pedalboard-Ready Design: The slim, hexagonally reinforced casing is lightweight and durable, making it suitable for any pedalboard. It supports unlimited SysEx transmission between your guitar pedal and editor software.
- Real-Time MIDI Control: Effortlessly configure MIDI thru, split, merge, mapper, and filter options using the UxMIDI Tools software (available for Windows, macOS, iOS, and Android), providing comprehensive control with advanced MIDI routing and processing features.



3. Configuració i connexions
The U4MIDI WC is designed for straightforward setup, offering multiple power and connection options to suit various environments.
3.1 Alimentació del dispositiu
The U4MIDI WC can be powered in two ways:
- Potència USB: Connect the device to a computer or a USB power adapter using the USB-C port.
- Alimentació de 9 V CC: For standalone operation without a computer, connect a 9V DC power supply (500mA minimum) to the dedicated DC input jack.
3.2 Connexions MIDI i USB
The interface provides two MIDI input and two MIDI output ports via 3.5mm TRS jacks (MIDI Type-A compatible). Adapters for standard 5-pin DIN MIDI are typically included or can be purchased separately. The USB-C port facilitates connection to your computer or mobile device for data transfer and power.

3.3 Optional WIDI Core Bluetooth MIDI Module
For wireless MIDI capabilities, the U4MIDI WC supports an optional WIDI Core Bluetooth MIDI module. This module can be easily installed to enable wireless communication with other Bluetooth MIDI devices.

3.4 Producte acabatview Vídeo
Watch this short video for a quick overview of the CME U4MIDI WC's features and connectivity.
Video 3.1: CME U4MIDI WC in 45 seconds. This video demonstrates the power options, MIDI I/O, USB-C connectivity, and the optional WIDI Core module, showcasing its compact design and compatibility with various operating systems.
4. Operating the U4MIDI WC
The U4MIDI WC is designed for plug-and-play operation across a wide range of devices and operating systems. For advanced configurations, the UxMIDI Tools software provides comprehensive control.
4.1 Plug-and-Play Compatibility
Simply connect the U4MIDI WC to your device (computer, tablet, or smartphone) via USB-C, and it will be recognized automatically. It is compatible with:
- macOS
- Windows
- iOS
- Android
- Linux
- Chrome OS
4.2 UxMIDI Tools Software
The free UxMIDI Tools application allows you to customize and control the U4MIDI WC's advanced features, including MIDI routing, filtering, and mapping. This software is available for Windows, macOS, iOS, and Android.

4.2.1 MIDI Routing (Split & Merge)
The MIDI Router function in UxMIDI Tools allows you to set up complex MIDI signal flows. You can create one-to-many splits (sending one input to multiple outputs) or many-to-one merges (combining multiple inputs into one output).

4.2.2 MIDI Filtering
Use the MIDI Filter to block specific MIDI messages (e.g., Note On/Off, Control Change, Program Change) or channels from passing through the interface. This is useful for optimizing MIDI traffic and preventing unwanted data.

4.2.3 MIDI Mapping
The MIDI Mapper allows you to remap MIDI messages, such as changing a Note On message to a Control Change, or adjusting the range of values for knobs and faders. This provides expressive control over your MIDI devices.

5. Manteniment
To ensure the longevity and optimal performance of your CME U4MIDI WC, follow these general maintenance guidelines:
- Neteja: Use a soft, dry cloth to clean the exterior of the device. Avoid using abrasive cleaners, solvents, or strong chemicals, as these can damage the finish.
- Emmagatzematge: When not in use, store the device in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
- Manipulació: Manipuleu el dispositiu amb cura. Eviteu deixar-lo caure ni sotmetre'l a impactes forts, ja que podrien danyar els components interns.
- Connexions: Periodically check all cable connections for wear and tear. Ensure cables are securely plugged in to prevent intermittent issues.
6. Solució De Problemes
If you encounter issues with your U4MIDI WC, consider the following common troubleshooting steps:
- Sense alimentació/Indicadors apagats:
- Ensure the USB-C cable is securely connected to a powered USB port or a compatible 5V USB power adapter.
- If using 9V DC power, verify the power adapter is correctly connected and providing the specified voltage and current (9V DC, 500mA minimum).
- No MIDI Signal/Data Flow:
- Check all MIDI cable connections. Ensure they are properly seated in the correct input/output ports.
- Verify that your MIDI devices are sending/receiving MIDI data correctly.
- Open the UxMIDI Tools software and check the MIDI Router settings. Ensure that inputs are correctly routed to desired outputs.
- Check the MIDI Filter and Mapper settings in UxMIDI Tools. Incorrect settings here can block or alter MIDI messages. Try resetting filters/mappers to default if unsure.
- Ensure the correct MIDI input/output is selected in your DAW or music application.
- Device Not Recognized by Computer/Mobile Device:
- Try connecting the U4MIDI WC to a different USB-C port or a different computer/device to rule out port or device-specific issues.
- Reinicieu l'ordinador o el dispositiu mòbil.
- Assegureu-vos que el vostre sistema operatiu estigui actualitzat.
- Intermittent Connection/Jitter:
- Ensure you are using high-quality USB and MIDI cables.
- Avoid placing the device near sources of strong electromagnetic interference.
Si aquests passos no resolen el problema, consulteu la secció Garantia i assistència per obtenir més ajuda.
7. Especificacions
| Especificació | Detall |
|---|---|
| Número de model | U4MIDI WC |
| Dimensions (L x A x A) | 140 mm x 38 mm x 33 mm (5.51 x 1.50 x 1.30 polzades) |
| Pes de l'article | 99 grams (3.49 unces) |
| I / O MIDI | 2-in, 2-out (via 3.5mm TRS, MIDI Type-A compatible) |
| Tecnologia de connectivitat | MIDI I/O via 5-pin DIN (with adapters), Optional Bluetooth MIDI via WIDI Core, Plug & Play USB MIDI |
| Opcions d'energia | 5V USB (USB-C), 9V DC (500mA) |
| Dispositius compatibles | MIDI Controller, MIDI Keyboard, Sampler, Keyboard, Digital Piano, Synthesizer, Pedalboard, Guitar Pedal, PC, Mac, Mobile, Tablet |
| Sistemes operatius suportats | macOS, iOS, Windows, Android, Linux, Chrome OS |
| Programari compatible | All music software, major DAWs, music apps, UxMIDI Tools (Win/Mac/iOS/Android) |
| Nombre de canals | 48 |

8. Garantia i Suport
CME is committed to providing reliable support for its products. As an executive board member of The MIDI Association, CME offers customer-centric support.
- Atenció al client: For assistance, please visit the official CME support page at cme-pro.com/support. Support inquiries are typically addressed within 24 hours.
- Actualitzacions de programari: Lifetime updates for the UxMIDI Tools software are provided to ensure your device remains compatible with the latest systems and features.
- Warranty Replacements: CME offers easy one-on-one warranty replacements for eligible products. Please refer to the official weblloc web per obtenir informació detallada sobre els termes i condicions de la garantia.





