CME
CME H4MIDI WC Advanced USB Host MIDI Interface
Bottom line: The CME H4MIDI WC Advanced USB Host MIDI Interface ($55.99 on Amazon as of 2026-10-06): Standalone USB host connects up to 8 USB MIDI devices with no computer needed; main trade-off: WIDI Bluetooth MIDI requires the optional WIDI Core module, sold separately.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Standalone USB host connects up to 8 USB MIDI devices with no computer needed
- ✓ Dual power: 5V USB or 9V DC for rock-solid standalone use on stage or in studio
- ✓ 4-in/4-out virtual MIDI over USB-C for Mac, Windows, iOS, Android, Linux, ChromeOS
- ✓ Real-time thru, split, merge, map and filter via free HxMIDI Tools app
- ✓ Stores 4 onboard presets for instant switching between rigs
Cons
- ✗ WIDI Bluetooth MIDI requires the optional WIDI Core module, sold separately
- ✗ Advanced routing needs the HxMIDI Tools app, not on-device menus
- ✗ 9V DC adapter for standalone mode is not included
- ✗ 8-port expansion relies on a separate standard USB hub
SpecPicks Verdict
SpecPicks scored CME H4MIDI WC Advanced USB Host MIDI Interface using a rating × review-volume × price-fit model applied to published specs and reviews across the audio & midi category. CME's audio & midi lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for audio & midi of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- [Standalone USB Host] Easily connect class compliant USB MIDI instruments like keyboards, controllers, effect pedals and synthesizers directly to your MIDI hardware without a computer. Accommodate up to 8 USB MIDI device ports via a standard USB hub
- [Multi-Mode Flexibility] Easily connect to your computer via USB-C, offering 4 inputs and 4 outputs of virtual MIDI ports. Compatible with MacOS, Windows, iOS, Android, Linux, and ChromeOS. Expand with WIDI Bluetooth MIDI via the optional WIDI Core module
- [Standalone Dual Power] Engineered for guitarists, the H4MIDI WC provides reliable, rock-solid performance. It offers flexible power options with 5V USB or 9V DC for flawless standalone use in the studio or on stage
- [Real-Time MIDI Control] Effortlessly configure MIDI thru, split, merge, mapper and filter options with HxMIDI Tools (Windows, macOS, iOS, Android), enabling smooth customization and complete control with advanced MIDI routing and processing features
- [CME Service] As executive board member of The MIDI Association, CME offers reliable people-centric support within 24 hours, with lifetime updates via HxMIDI Tools and easy one-on-one warranty replacements
- [Compact and Portable Design] Lightweight and space-efficient construction makes it suitable for cramped spaces, mobile setups, and guitar pedalboards, providing professional-grade reliability wherever you need it
Full Specifications
| Brand | CME |
|---|---|
| Audio Input | USB |
| Connectivity | Bluetooth, USB-C |
| Model Number | H4MIDI WC |
| Compatibility | Switch, Android, iOS, Mac, Linux |
| Compatible Devices | Class Compliant USB MIDI hardware devices, Groovebox, Sampler, MIDI Controller, MIDI Keyboard, PC, Mac, Mobile, Tablet, Pedalboard, Guitar Pedal |
| Number of Channels | 128 |
| Supported Software | Compatible with all music software, major DAWs and music apps. Includes HxMIDI Tools (Win/Mac/iOS/Android) to set up advanced routing, filtering and mapping configurations |
| Maximum Sample Rate | 192 KHz |
| Warranty Description | 1 year manufacturer. |
| Manufacturer Part Number | S-F000C02 |
| Item Dimensions D x W x H | 1.5"D x 5.51"W x 1.3"H |
| Full listing title | CME H4MIDI WC Advanced USB Host MIDI Interface | Router, Filter, Mapper, Optional WIDI Bluetooth MIDI, Standalone 9V Power Mode, For Guitarists and Producers |
Ready to buy?
CME H4MIDI WC Advanced USB Host MIDI Interface | Router, Filter, Mapper, Optional WIDI Bluetooth MIDI, Standalone 9V Power Mode, For Guitarists and Producers is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Related Audio & MIDI
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Retro Handhelds in 2026 — From $35 to $500
- Best 1440p Gaming GPUs in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- How to Build a Windows 98 Retro PC in 2026
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Did the Steam Deck Get a New Box Design? What Changed
- Running Qwen3.6 35B A3B at 80 tok/s on a 12GB GPU: The MTP Setup Guide
- Tenstorrent TT-QuietBox 2 (Blackhole) vs RTX 5090: Should LLM Builders Care?
- Mistral Seeks €3B: What a Bigger European Lab Means for Local Rigs
- Microsoft + Nvidia Agent PCs: Hardware to Run Agents Locally
- AI-Driven Sound Blaster Driver Recovery on Win98 in 2026
- Do you need a shifter for sim racing? Logitech G29 + Thrustmaster TH8A
- Best Budget SSD for a Gaming PC in 2026: Crucial BX500 vs SanDisk vs Samsung 970 EVO Plus
- SATA SSD vs NVMe for a Ryzen 5 5600G Budget Build in 2026
- How to Make Steam Deck Intros Last Longer (2026)
- Best CPU for Streaming and Gaming on a Single PC in 2026
- SNES Classic vs Raspberry Pi 4 RetroPie: Which Retro Console Wins in 2026?
- UT99 OldUnreal 469 Patch in 2026: Migration, Servers, and Period-Correct Controller Mapping
- Best CPU Cooler for AMD Ryzen 7 5800X High-TDP Builds (2026)
- RE Requiem and the AAA Games That Prove Steam Deck
- Claude Sonnet 5 Costs ~$2.29/Task: When an RTX 3060 Rig Breaks Even
- Ryzen 5 2600 vs Ryzen 7 5800X: Is the AM4 Upgrade Worth It?
- Noctua NH-U12S vs DeepCool AK620: Best Air Cooler for AM5 OC
- Qwen3 0.6B: Raspberry Pi 4 8GB vs Ryzen 5 5600G for Tiny-Model Hosts (2026)
- Best Wireless Productivity Keyboards for Home Office in 2026
- The Pentium III 1 GHz Race: When Intel and AMD Broke the Gigahertz Barrier in the Same Week
- Ryzen 7 5700X + RTX 3060 12GB: The Best Value 1080p Combo in 2026
- Best Budget SSD for a Steam Library in 2026: SATA vs NVMe on a Tight Budget
- Local LLM PC Build 2026: What 12GB of VRAM Really Runs
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090