CME U4MIDI WC 2-in-2-out MIDI Interface | Router, Filter, Mapper, Optional WIDI Bluetooth MIDI, Standalone 9V Power Mode, Perfect for Guitarists and Pedalboards
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*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.
Bottom line: The CME U4MIDI WC 2-in-2-out MIDI Interface | Router, Filter, Mapper, Optional WIDI Bluetooth MIDI, Standalone 9V Power Mode, Perfect for Guitarists and Pedalboards is a specs-and-price decision rather than a crowd-consensus one in the audio & midi category, priced around $49.99. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.
Pros & Cons
Pros
- ✓ Backed by CME's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
SpecPicks Verdict
SpecPicks scored CME U4MIDI WC 2-in-2-out MIDI Interface | Router, Filter, Mapper… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Key Features
- [Plug-and-Play] MIDI Interface with 2-in-2-out MIDI I/O with zero latency and jitter-free transmission. supports all major operating systems via USB-C, including macOS, Windows, iOS, Android, Linux, and Chrome OS
- [Standalone Dual Power] Engineered with guitarists in mind, the U4MIDI WC offers external power options via 5V USB or 9V DC. Perfect for standalone usage scenarios without the need to keep your computer connected
- [Pedal-Ready Design] Developed for compact setups, the slim, hexagonally reinforced casing is both lightweight and durable, making it an ideal fit for any pedalboard. On top of that it offers unlimited SysEx transmission between your guitar pedal and editor software.
- [Real-Time MIDI Control] Effortlessly configure MIDI thru, split, merge, mapper and filter options with UxMIDI Tools (Windows, macOS, iOS, Android), enabling flawless 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 at cme-pro(dot)com(slash)support, with lifetime updates via UxMIDI Tools and easy one-on-one warranty replacements.
Full Specifications
| Brand | CME |
|---|---|
| Unit Count | 1.0 Count |
| Connectivity | Bluetooth, USB-C |
| Model Number | S-F000C01 |
| Compatibility | Android, iOS, Mac, Linux |
| Number of Channels | 48 |
| Supported Software | Compatible with all music software, major DAWs and music apps. Includes UxMIDI Tools (Win/Mac/iOS/Android) to set up advanced routing, filtering and mapping configurations |
| Warranty Description | 1 year manufacturer. |
| Connectivity Technology | MIDI I/O via 5-pin DIN, Optional Bluetooth MIDI via WIDI Core, USB |
| Manufacturer Part Number | S-F000C01 |
| Item Dimensions D x W x H | 1.5"D x 5.51"W x 1.3"H |
Ready to buy?
CME U4MIDI WC 2-in-2-out MIDI Interface | Router, Filter, Mapper, Optional WIDI Bluetooth MIDI, Standalone 9V Power Mode, Perfect for Guitarists and Pedalboards is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.
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