Price observed . Amazon shows the live price.
Amazon lists it at $49.99, 6% off. That figure is Amazon's, not a price we have recorded.
Roland UM-ONE Mk2 USB MIDI Interface
Roland UM-ONE Mk2 USB MIDI Interface
The Roland UM-ONE Mk2 USB MIDI Interface was $46.99 when we checked it on 2026-09-14. It has not moved from that price across 4 checks since 2026-08-18. Best for: One synth or keyboard that just needs to reach a computer.
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.
Why we picked it
Best for: One synth or keyboard that just needs to reach a computer.
A 1 in / 1 out USB MIDI cable interface with Roland's FPT processing for low latency and tight clock timing.
What we like
- + 1 in / 1 out with the USB and MIDI cables built into the unit
- + FPT processing keeps latency low and clock timing tight
- + Works with Mac, Windows and iPad via Apple's Camera Connection Kit
- + USB bus powered, no separate adapter to carry
Watch outs
- - Only one MIDI in and one MIDI out, no merge or thru
- - No routing or filtering, it only passes MIDI straight through
- - Becomes a bottleneck the moment a second device joins the rig
Roland UM-ONE Mk2 USB MIDI Interface price history
4 weekly checks of our own, from 2026-08-18 to 2026-09-14. How our price tracking works
$46.99 at all 4 checks we have taken, Aug 18 to Sep 14, 2026.
Every observation (4)
| Date | Price | Source |
|---|---|---|
| Aug 18, 2026 | $46.99 | Weekly check |
| Aug 31, 2026 | $46.99 | Weekly check |
| Sep 7, 2026 | $46.99 | Weekly check |
| Sep 14, 2026 | $46.99 | Weekly check |
About this item
- High-Performance MIDI Interface: One-in/one-out MIDI interface with high-performance FPT processing for low latency and tighter clock timing
- Wide Compatibility: Compatible with Mac and Windows operating systems, and now with iOS on the iPad via the Apple iPad Camera Connection Kit
- Visual Data Indicators: Data indicators for both MIDI input and output to monitor signal flow
- Integrated Cable Design: Conveniently integrated USB and MIDI cables for streamlined connectivity without additional adapters
- USB Bus-Powered Operation: No external power supply needed as the device operates via USB bus power
- Compact and User-Friendly Design: Super compact, affordable, and easy to use interface from the pioneer of PC MIDI technology
Details
- Compatible Devices
- Midi Devices
- Connectivity Technology
- MIDI
- Item Dimensions D x W x H
- 1.2"D x 2.4"W x 0.6"H
- Item Weight
- 3.2 ounces
- Brand Name
- Roland
- Model Number
- UM-ONEMK2B
- Brand
- Roland
Roland UM-ONE Mk2 USB MIDI Interface: common questions
Is the Roland UM-ONE Mk2 USB MIDI Interface worth it?
A 1 in / 1 out USB MIDI cable interface with Roland's FPT processing for low latency and tight clock timing. Its Amazon listing shows 4.5 out of 5 stars across 2,878 ratings, which is the retailer's figure and not our verdict.
How much does the Roland UM-ONE Mk2 USB MIDI Interface cost?
The Roland UM-ONE Mk2 USB MIDI Interface was $46.99 when we checked it on 2026-09-14. Amazon lists it at $49.99, a price we have never recorded ourselves. Prices change often, so the live retailer link carries the current number.
Is now a good time to buy the Roland UM-ONE Mk2 USB MIDI Interface?
We have checked the Roland UM-ONE Mk2 USB MIDI Interface 4 times since 2026-08-18 and the price has not moved from $46.99. Our record shows no drop and no rise.
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$46.99 observed
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