CME H4MIDI WC

The H4MIDI WC is an advanced USB host MIDI interface designed to simplify complex MIDI setups and expand connectivity between modern and traditional MIDI gear. It combines wired MIDI, USB host and client support, and optional Bluetooth MIDI expansion in a compact, pedalboard-friendly format.

Built around a future-proof 32-bit processor and a high-speed optocoupler, the H4MIDI WC delivers highly accurate MIDI transmission with close to zero latency and jitter. It supports all standard MIDI messages, including clock, SysEx, MTC and MPE, making it suitable for demanding studio and live workflows.

The unit offers 2-in/2-out 5-pin DIN MIDI, USB-A host ports for up to 8 connected USB MIDI devices, and USB-C client connectivity for computer-based setups. With support for HxMIDI Tools, users can configure routing, filtering, mapping and preset-based operation with ease.

Designed for pedalboards and portable rigs, the H4MIDI WC features smart LED indicators, dual power options and a slim reversible layout. Optional WIDI Core integration adds premium Bluetooth MIDI with ultra-low latency for modern wireless workflows.

Features
USB Host And Client MIDI Interface
2-In/2-Out 5-Pin DIN Connectivity
USB-A Host Ports For Up To 8 Devices
Optional Premium Bluetooth MIDI Expansion
11 Smart LED Indicators
Dual Power Options
Pedalboard-Friendly Reversible Design
Preset-Based Standalone Operation

Compatibility
Class-Compliant USB MIDI Devices
macOS
iOS
Windows
Android
Linux
Chrome OS

Specifications
Technology: USB Host And Client, USB MIDI Class Compliant
Connectors: 1 x USB-A Host, 1 x USB-C Client
MIDI I/O: 2 x 5-Pin MIDI DIN Inputs, 2 x 5-Pin MIDI DIN Outputs
Power Socket: 1 x DC Power Socket
LED Indicators: 11
Buttons: 2
Power Consumption: 318 mW
Wired Transmission: Close To Zero Latency And Zero Jitter
MIDI Messages: Notes, Controllers, Clocks, SysEx, MIDI Timecode, MPE
Power Supply: USB-C 5V Bus Or 9V-1A DC Input

Dimensions & Weight
Dimensions: 140 × 38 × 33 mm
Weight: 102 g