CME

Description

In studios crowded with vintage synths, drum machines and pedal-laden desks, the push for tighter, more flexible MIDI control has informed the need for a modern breed of interface. CME has answered the call with the H4MIDI WC advanced MIDI interface, a tool designed around the realities of hybrid rigs and complex routing demands. Its combination of USB host and client ports, dual 5-pin DIN I/O and optional Bluetooth MIDI grew out of practical needs—fast switching, low jitter and visible feedback to keep sessions moving. As musicians layer devices, adapt to spontaneous arrangements or sync up hardware with a DAW, the interface’s slim, compact build and robust connectivity become part of the daily workflow. Over time, it’s the steady performance and clear communication that foster trust, letting creative flow take the lead without hesitation or distraction.

Hands-On Control with Immediate Feedback

With the H4MIDI WC interface, switching between MIDI paths becomes almost automatic as players tap the dedicated buttons and watch for instant LED confirmation. There’s a physical satisfaction to the click of each control, and muscle memory builds quickly as musicians repeat the same motions through rehearsal, writing and live performance. The layout supports rapid routing changes without hesitation, letting hands and feet stay close to the action—so the next phrase or tempo shift happens on cue.

Advanced MIDI Routing and Filtering Made Easy

Front-panel selection and HxMIDI Tools software place routing, splitting and filtering just a few moves away. Players can shape MIDI traffic to fit precise setups, making quick adjustments when adding or removing devices. This approach reduces guesswork, so even a sudden change—like swapping a controller or layering an MPE device—lands cleanly in the mix.

Durable Design Wth Flexible Power Options

Engineered for both mobile and fixed use, the H4MIDI WC interface withstands repeated pedalboard mounting, cable swaps and transport in gear bags. The dual power system—USB for studio, DC for pedalboards—offers practical redundancy, but its small form factor defines how many connections can run before adding hubs or adapters. Musicians planning dense rigs will find the boundary clear as they expand, with the core system holding steady under typical live and studio loads.

Minimalist Housing and Efficient Signal Chain

The H4MIDI WC interface’s slim, lightweight chassis is built for pedalboards and tight desktops, using a rigid enclosure and low-profile jacks that resist pedalboard crowding. Circuit design keeps signal paths direct and uncolored, with optocouplers and 32-bit processing to maintain timing integrity. In practice, this means MIDI clock and system exclusive data translate into tight, jitter-free timing between vintage synths and DAW sessions—delivering a measurable improvement in track alignment and playback accuracy.

Scene Integration for Modern MIDI Rigs

In a crowded studio, the CME H4MIDI WC advanced MIDI interface finds its place among synths, grooveboxes and control surfaces. One minute it’s routing a USB keyboard to a rack module for a take; the next, it’s syncing a drum machine to a DAW clock for a session. Players glance at the LEDs, confirm routing and shift focus to the music—capturing ideas without the friction of cable swaps or system lag.

CME H4MIDI WC Advanced MIDI Interface
CME H4MIDI WC Advanced MIDI Interface
CME H4MIDI WC Advanced MIDI Interface

Features

  • Advanced MIDI interface delivers streamlined control for complex setups
  • High-speed processor ensures fast accurate MIDI message transfer
  • Four-times faster optocoupler synchronizes devices for tight timing
  • Standalone routing lets you split and merge MIDI signals efficiently
  • USB-A Host ports handle up to 8 devices for expanded connectivity
  • USB-C Client ports support 4-in-4-out virtual MIDI channels
  • Free HxMIDI Tools software enables deep routing and filtering customization
  • Dual power options support pedalboard and mobile rig integration
  • 11 smart LED indicators give instant feedback for every connection

Specs

General
  • Product type: USB host MIDI interface
  • Model: H4MIDI WC
  • Processor: 32-bit processor
  • Presets: 4 user presets
MIDI Connectivity
  • MIDI inputs: 2 × 5-pin DIN
  • MIDI outputs: 2 × 5-pin DIN
  • Supported MIDI messages: Notes, controllers, clock, sysex, MIDI timecode and MPE
USB
  • USB host: 1 × USB-A
  • USB client: 1 × USB-C
  • USB host ports: Up to 8 via external hub
  • Virtual MIDI ports: 4-in and 4-out via USB-C
Expansion
  • Wireless MIDI: Optional WIDI Core Bluetooth MIDI module
Indicators
  • LED indicators: 11 LEDs
Controls
  • Buttons: 1 preset button and 1 optional WIDI button
Compatibility
  • Supported operating systems: macOS, iOS, Windows, Android, Linux and Chrome OS
  • Supported devices: Class-compliant USB MIDI devices and standard MIDI hardware
Performance
  • Transmission latency: Near zero latency
  • Jitter: Near zero jitter
Power
  • Power source: USB-C 5V bus power or external DC adapter
  • DC input: 9V 1A 5.5 mm × 2.1 mm center negative
  • USB host power output: 1A maximum
  • Power consumption: 318mW
Firmware
  • Configuration: HxMIDI Tools software
  • Firmware upgrade: Via USB-C
Dimensions
  • Dimensions: 5.51" × 1.50" × 1.30"
  • Weight: 0.23 lb.

Warranty

Limited warranty: All the content and specification in this manual are for reference only. Central Music Co reserves the rights to modify the manual, but dose not guarantee to notify the modification to anybody. Central Music Co also reserves the right to modify the product specification without notification to anybody, thus there may be difference between the real product and the manual. Central Music Co will not be responsible for any third-party products.

Central Music Co offers limited warranty to the original purchase user, that is, there is no material or assembly defect within the warranty period. The warranty period starts from the purchase date.

For the products with defect found, the user should send the product back to Central Music Co within the warranty period with shipment cost paid; Central Music Co will repair or replace the defective products for free. When sending the products, the user must use the package box supplied or confirmed by Central Music Co, otherwise the warranty will be invalid. For the shipment cost, the user covers the shipment cost from its place to Central Music Co, and Central Music Co covers the shipment cost from Central Music Co back to the user. Please contact Central Music Co (Tel: 8610-8580 1115) in case you need warranty service, and you need to provide with product serial number and your purchase warrant (invoice or receipt). Any modification or appendix to the warranty must be confirmed by Central Music Co or its dealer or agent before it becomes valid.

Responsibility exclusion:
- Regular wear and tear or consumption
- Abuse or improper use and damage caused by that
- Any damage caused by other device or system
- Any damage caused by modification or repair not confirmed by Central Music Co
- Products with broken or defiled serial number
- Any damage caused by non-Central Music Co package box
- Any damage caused by improper packaging

All of the above terms and other items not mentioned in the warranty, whether oral, written, declared or implied, are invalid. Central Music Co denies all the implied warranty, including (but not limited to) those warranty for sales, for some special purpose, or for anti-tortious purpose.

For anything out of warranty or any other damage or cost whether special, indirect or related, including (but not limited to) data loss, income loss, production stop, fame, device or property damage, or cost for get back, re-make, copy any program or data from the product, Central Music Co pays no responsibility to them.

For some region where responsibility exclusion is not allowed, the above limit or exclusion may not be suitable. With the warranty, you will have all the legal rights and other rights with your region.


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