H4MIDI WC

USB Host MIDI Interface

MIDI Router + Filter + Mapper
& optional WIDI Bluetooth MIDI

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H4MIDI WC Presale - Limited first run of 1,000 units!
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Unleash Your MIDI Potential!

Advanced USB Host MIDI Interface

Say goodbye to MIDI connection headaches and hello to limitless possibilities!
The H4MIDI WC is your ticket to seamless USB MIDI integration like never before.

H4MIDI WC

Future-proof 32-bit processor

Future-proof 32-bit processor

High-precision transmission at four times the speed with groundbreaking accuracy.

High-precision transmission at four times the speed with groundbreaking accuracy.

High-speed optocoupler

High-speed optocoupler

High-speed optocoupler

Seamless synchronization of all MIDI devices with secure error-free MIDI data input.

Seamless synchronization of all MIDI devices with secure error-free MIDI data input.

Accurate transmission

Accurate transmission

Accurate transmission

100% exact transfer of all MIDI messages. Including clock, sysex, MTC and MPE.

100% exact transfer of all MIDI messages. Including clock, sysex, MTC and MPE.

100% exact transfer of all MIDI messages. Including clock, sysex, MTC and MPE.

2-in-2-out MIDI via 5-pin DIN

2-in-2-out MIDI via 5-pin DIN

2-in-2-out MIDI via 5-pin DIN

Connect MIDI devices via standard MIDI I/O. Enjoy advanced routing in standalone mode.

Connect MIDI devices via standard MIDI I/O. Enjoy advanced routing in standalone mode.

Expanded USB MIDI connectivity

Expanded USB MIDI connectivity

Expanded USB MIDI connectivity

USB-A with up to 8-in-8-out HOST ports.
USB-C with up to 4-in-4-out CLIENT ports.

USB-A with up to 8-in-8-out HOST ports.
USB-C with up to 4-in-4-out CLIENT ports.

Free HxMIDI Tools for full MIDI control

Free HxMIDI Tools for full MIDI control

Free HxMIDI Tools for full MIDI control

Configure MIDI splits, merges and advanced MIDI filtering + remapping via free software.

Configure MIDI splits, merges and advanced MIDI filtering + remapping via free software.

11 smart LED indicators

11 smart LED indicators

11 smart LED indicators

Clear indicators for each input and output, ensuring seamless connectivity at a glance.

Clear indicators for each input and output, ensuring seamless connectivity at a glance.

Dual power option

Dual power option 

Dual power option

5v USB power bank for mobile application.
9v DC power supply for guitar pedals.

5v USB power bank for mobile application.
9v DC power supply for guitar pedals.

Perfect fit for pedalboards

Perfect fit for pedalboards

Perfect fit for pedalboard

Slim and lightweight design with reversible placement, perfect for tight spaces.

Slim and lightweight design with reversible placement, perfect for tight spaces.

People-centric service

People-centric service

People-centric service

Lifetime updates with 24/7 online support and hassle free 1-to-1 warranty replacement.

Lifetime updates with 24/7 online support and hassle free 1-to-1 warranty replacement.

SIMPLE MODE

USB MIDI to 5-pin DIN without computer

Seamlessly connect USB MIDI keyboards, controllers, and devices to traditional MIDI hardware without the need for a computer. Compatible with USB class-compliant MIDI instruments, including digital pianos, drum machines, portable keyboards, guitar pedals, EWIs, synthesizers, and more.

Simple mode

EXPAND MODE

Up to 8-in-8-out HOST ports + 2-in-2-out MIDI I/O

Accommodate up to 8 USB MIDI devices via an optional USB hub, providing flexibility for complex setups.
Enjoy bidirectional MIDI communication via 5-pin DIN MIDI ports, perfect for interfacing with MIDI hardware.

Expand mode

ADVANCED MODE

Instantly add 4-in-4-out virtual MIDI ports via USB-C

Easily connect to your computer via USB-C, offering 4 inputs and 4 outputs of virtual MIDI ports. Compatible with leading operating systems, including MacOS, Windows, iOS, Android, Linux, and ChromeOS.

Advanced mode

INNOVATE MODE

Ultra-low Latency Premium Bluetooth MIDI via optional WIDI Core

Elevate your connectivity with optional BLE MIDI via WIDI Core. Enjoy ultra-low 3ms latency and smart connectivity for seamless wireless performance. Benefit from WIDI groups for wireless splitting (1-to-4) and merging (4-to-1).

Innovate mode

CUSTOMIZE MODE

MIDI Routing + Filtering + Mapping

Configure via HxMIDI Tools software (Win/Mac/Android/iOS)

Master your MIDI setup with precision using the HxMIDI Tools software, available for macOS, Windows, Android, and iOS. Customize routing, apply intelligent MIDI filtering, and perform robust message remapping effortlessly.

MIDI Router

MIDI Router

Simply configure MIDI thru, MIDI merge and MIDI split setups via the free software.

MIDI Filter

MIDI Filter

Easily filter out any MIDI message from any MIDI channel on both inputs and outputs.

MIDI Mapper

Transforms your knobs, buttons, and sliders into expressive tools for complete control

4 Presets (Button + MIDI)

4 Presets (Button + MIDI)

Supports up to 4 presets, switch between configurations without a connected OS

SMART MODE

Stay ahead of the curve with integration and customizable expansions, ensuring your setup evolves with your needs.

Innovative design and smart solutions tailored to community input

Dual Power Options

Power up on the go with a USB power bank. For guitar pedal enthusiasts, enjoy seamless integration with the dedicated DC power supply.

Guitar pedal ready

Guitar pedal ready

Ideal for cramped pedalboards, its slim design and reversible placement save space. Lightweight yet durable, it won't weigh down your setup.

TRS MIDI via 3.5 MIDI cables

TRS MIDI via 3.5 MIDI cables

Add versatility to your setup with optional low-profile 3.5mm TRS cables for tight spaces, expanding your connectivity options.

Bluetooth MIDI via WIDI Core

Bluetooth MIDI via WIDI Core

Enhance your setup with seamless WIDI Bluetooth MIDI via the WIDI Core expansion. Or by plugging in your WIDI Master or WIDI Jack.

CME - The MIDI Experts

100% community-driven technology based on 30 years of experience

CME is a contributing board member of the International MIDI Association

CME is a contributing board member of the International MIDI Association

With more than 30 years professional experience, our devices are used and praised by top musicians and engineers around the world.

CME's technology is 100% validated by the worldwide MIDI community

With thousands of MIDI enthusiasts around the world, the active community exchanges knowledge via the vibrant Facebook Group.

Technical Specification

Specifications are subject to change without notice.

Technology


USB Host and client, both compliant with USB MIDI class (Plug and Play).

Connectors

1x USB-A (Host), 1x USB-C (Client).
2x 5-pins MIDI DIN Inputs, 2x 5-pins MIDI DIN Outputs.
1x DC power socket (External 9V-1A DC adapter not included).

Expansion

Optional WIDI Core - Premium Bluetooth MIDI

LED Indicators

11x LED lights (WIDI LED indicators will only light up when the WIDI Core expansion module is installed)

Buttons

1x button for presets and other functions
1x button for optional WIDI Bluetooth MIDI

Compatible Devices

Class compliant USB MIDI client devices (support one external hub with up to 8 MIDI devices attached).
Computers and USB MIDI host devices.
Devices with standard MIDI sockets, including 5V and 3.3V compatibility.

Compatible OS

macOS, iOS, Windows, Android, Linux and Chrome OS

MIDI messages

All messages in the MIDI standard, including notes, controllers, clocks, sysex, MIDI timecode, MPE

Wired transmission

Close to Zero Latency and Zero Jitter

Power Supply

USB-C Socket. Powered via Standard 5V USB bus or charger.
DC 9V-1A Socket, polarity is Positive outside and negative inside.
USB-A Socket provides power* to connected devices.
* Maximum output current is 1A.

Configuration & Firmware Upgrade

Configurable / Upgradable via USB-C port using HxMIDI Tool software (Win/Mac/iOS & Android tablets through USB cable)

Power Consumption

347 mW

Size

140 mm (L) x 38 mm (W) x 33 mm (H)
5.51 in (L) x 1.50 in (W) x 1.30 in (H)

Weight

99 g/3.49 oz 

All details are subject to change without notice.

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