Full Description
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Fast and precise MIDI data handling
The H4MIDI WC delivers dependable MIDI communication across every device in your rig. Its 32-bit processor ensures fast data transfer, four times faster than standard interfaces, keeping timing tight and response smooth. The optocoupler input protects signal integrity and reduces risk of data loss when syncing external gear. Every MIDI message is handled accurately, including clock, sysex, MTC and MPE. This keeps both performance setups and studio sessions running in time and fully responsive to control changes or automation.
Flexible connection options across five operating modes
This interface offers five unique modes for different workflows. Simple Mode connects USB class-compliant MIDI instruments to DIN-based gear without using a computer. Expand Mode allows connection of up to eight USB MIDI devices through an optional hub while maintaining two MIDI ins and outs via DIN. Advanced Mode links the interface to your computer over USB-C, unlocking four virtual MIDI inputs and outputs.
Innovate Mode adds optional Bluetooth MIDI via the WIDI Core, creating wireless splits or merges with 3ms latency. Customise Mode gives full access to routing, filtering and mapping functions through HxMIDI Tools. Each mode is designed to support a wide range of hardware combinations without reconfiguring your whole setup.
Built for mobile rigs and pedalboard setups
The H4MIDI WC is slim, lightweight and designed to fit into tight spaces. It sits neatly on pedalboards or desktops and includes reversible placement for clean cable routing. You can power the unit through a standard USB power bank or use a 9V DC pedal power supply. This makes it easy to integrate into setups where space and power are limited.
Additional TRS MIDI ports (via optional 3.5mm cables) add flexibility for gear using compact MIDI connections. The device also supports four onboard presets which can be switched using a button or MIDI message, allowing fast changes during live sets or rehearsals.
Advanced control with free HxMIDI Tools software
The free HxMIDI Tools app offers deep configuration of your MIDI routing. Use it to split or merge MIDI signals, route messages between devices, and block or allow specific MIDI messages on any channel. You can also remap MIDI data, transforming physical controls into customised commands for your hardware or software.
The software works across Mac, Windows, Android and iOS, and once your setup is saved, you can access it without needing to reconnect to a computer. This gives you a personalised MIDI hub that adapts to changes in your setup with no downtime or menu-diving.
Features
- Advanced USB host MIDI interface with robust routing, filtering, and mapping capabilities
- 32-bit processor delivers high-speed, low-latency MIDI transmission with extreme accuracy
- High-speed optocoupler ensures secure and error-free MIDI synchronization
- Supports full MIDI message set including clock, sysex, MTC, and MPE
- 2-in-2-out 5-pin DIN MIDI ports for reliable hardware integration
- USB-A host port supports up to 8 MIDI devices with an external hub
- USB-C client port enables 4-in-4-out virtual MIDI connections to computers and smart devices
- Free HxMIDI Tools software for configuring splits, merges, filtering, and message remapping
- 11 smart LED indicators provide real-time input/output status for easier troubleshooting
- Dual power options with 5V USB or 9V DC input for mobile or pedalboard use
- Compact, reversible design optimized for space-constrained pedalboards
- Simple Mode allows USB MIDI to DIN connection without needing a computer
- Expand Mode supports multi-device setups with 8 USB MIDI ports and full 5-pin DIN I/O
- Advanced Mode delivers 4 virtual MIDI ports via USB-C across major operating systems
- Innovate Mode enables optional Bluetooth MIDI with ultra-low 3ms latency using WIDI Core
- Customize Mode offers in-depth routing, filtering, and mapping control via software
- Supports up to 4 user presets, switchable via hardware button or MIDI message
- TRS MIDI support via optional 3.5mm cables for compact connections
- Bluetooth MIDI expansion available through WIDI Core, WIDI Master, or WIDI Jack
- Backed by community-driven design, lifetime firmware updates, and responsive support
Specifications
Technology
- USB: Host And Client, Both Compliant With USB MIDI Class (Plug And Play)
Connectors
- USB-A: 1x (Host)
- USB-C: 1x (Client)
- MIDI DIN Inputs: 2x 5-Pins
- MIDI DIN Outputs: 2x 5-Pins
- DC Power Socket: External 9V-1A DC Adapter Not Included
Expansion
- Optional Module: WIDI Core – Premium Bluetooth MIDI
LED Indicators
- LED Lights: 11x (WIDI LED Indicators Will Only Light Up When The WIDI Core Expansion Module Is Installed)
Buttons
- Preset Button: 1x Button For Presets And Other Functions
- Bluetooth Button: 1x Button For Optional WIDI Bluetooth MIDI
Compatible Devices
- USB MIDI Devices: Class Compliant, Supports One External Hub With Up To 8 MIDI Devices Or Ports
- Computers: USB MIDI Host Devices
- Standard MIDI Devices: Including 5V And 3.3V Compatibility
Compatible OS
- Operating Systems: MacOS, IOS, Windows, Android, Linux And Chrome OS
MIDI Messages
- Supported Messages: All Messages In The MIDI Standard, Including Notes, Controllers, Clocks, Sysex, MIDI Timecode, MPE
Wired Transmission
- Performance: Close To Zero Latency And Zero Jitter
Power Supply
- USB-C Socket: Powered Via Standard 5V USB Bus Or Charger
- DC Socket: 9V-1A (5.5mm x 2.1mm), Polarity Is Positive Outside And Negative Inside
- USB-A Power Output: Provides Power To Connected Devices (Maximum Output Current Is 1A)
Configuration & Firmware Upgrade
- Software: Configurable / Upgradable Via USB-C Port Using HxMIDI Tool Software (Win/Mac/IOS & Android Tablets Through USB Cable)
Power Consumption
Size
- Metric: 140 Mm (L) x 38 Mm (W) x 33 Mm (H)
- Imperial: 5.51 In (L) x 1.50 In (W) x 1.30 In (H)
Weight
- Mass: 102 G / 3.06 Oz
- Product Code: S-F000C02