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Roland UM-ONE mk2 USB MIDI Audio Interface Compact High-performance FPT Processing Integrated USB and MIDI Cables


Free 2-Day Delivery

30-Day Return Policy

Best Price in the Market

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Compact, convenient, and fast, the affordable UM-ONE mk2 boasts high-performance FPT processing for low latency and tight timing. The bus-powered MIDI interface is compatible with Macs and PCs, and now with the iPad as well via the Apple iPad Camera Connection Kit!

- 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
- Super-compact, affordable, and easy to use
- Data indicators for both MIDI input and output
- Conveniently integrated USB and MIDI cables
- USB bus-powered operation


  • Connectors:
    • MIDI IN Cable (connect to MIDI OUT) x 1 (16 MIDI Channels)
    • MIDI OUT Cable (connect to MIDI IN) x 1 (16 MIDI Channels), USB Cable
  • Switch: COMP/TAB switch
  • Indicators: USB Indicator, MIDI IN Indicator, MIDI OUT Indicator
  • Power Supply: Supplied from the computer via USB cable
  • Current Draw: 70 mA
  • Accessories: Owner's Manual

Size & Weight (Main Unit Only)

  • Width: 60 mm (2-3/8 inches)
  • Depth: 30 mm (1-3/16 inches)
  • Height: 14 mm (0-9/16 inches)
  • Weight: 100 g 0 lbs. 4 oz.)

In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.

Payment & Shipping


  • Import duties and shipment costs are all included in the price for customers in the USA.


  • Your package will be shipped from one of our fulfillment centers in the USA.
  • Free 2 business day delivery with a tracking number in the 48 contiguous states of the USA.
  • The delivery to Alaska, Hawaii, and Puerto Rico can take more than 2 days.
  • Sometimes it can take a little longer due to unforeseen circumstances.
  • Our system cannot ship to PO Boxes.
  • Currently, we cannot ship outside the USA. If you are outside the USA, please contact us.

Delivery Partners

Delivery Partners