Roland
UM-ONE Mk2 USB MIDI Interface
*Price sourced from Amazon.com. Last updated 2026-07-08. Price and availability subject to change.
Bottom line: The UM-ONE Mk2 USB MIDI Interface is a niche pick — read recent reviews before buying in the audio & midi category, priced around $46.99. Read recent reviews carefully before committing.
From the pioneer of the PC MIDI interface, Roland introduces the new UM-ONE mk2. A 1-in/1-out USB bus powered MIDI interface with high-performance FPT processing for low latency and tighter clock timing. Compatible with Mac, PC and iPad via Apple Camera Connection Kit, the super compact UM-ONE mk2 is an affordable, reliable, easy-to-use MIDI interface.
SpecPicks Verdict
SpecPicks classifies Roland UM-ONE Mk2 USB MIDI Interface as a niche pick — read recent reviews before buying in the audio & midi category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Roland's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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.
Pros & Cons
Pros
- ✓ One-in/one-out MIDI interface with high-performance FPT processing
- ✓ Backed by Roland'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
Key Features
- One-in/one-out MIDI interface with high-performance FPT processing
- Compatible with Mac and Windows operating systems, and now with iOS on the iPad via the Apple iPad Camera Connection Kit
- Data indicators for both MIDI input and output
- Conveniently integrated USB and MIDI cables
- USB bus-powered operation
- Super compact, affordable, and easy to use
Full Specifications
| Brand | Roland |
|---|---|
| Unit Count | 1 Count |
| Audio Input | USB |
| Connectivity | USB |
| Model Number | UM-ONEMK2B |
| Compatibility | iOS, Mac |
| Item Type Name | UM-ONE-MK2 One in Two Out Midi Cable (UM-ONE-MK2) |
| Compatible Devices | Midi Devices |
| Number of Channels | 1 |
| Supported Software | ['Mac, Windows and iOS'] |
| Included Components | Owner's Manual |
| Maximum Sample Rate | 48 KHz |
| Warranty Description | Consumer limited warranty: 1 year parts, 90 days labor. |
| Connectivity Technology | MIDI |
Ready to buy?
Roland UM-ONE Mk2 USB MIDI Interface is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-08. Price and availability subject to change.
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