ROLAND UM-ONEMK2 USB MIDI INTERFACE

Roland UM-ONE mk2 USB MIDI Interface

The Roland UM-ONE mk2 is a compact and reliable 1-in / 1-out USB MIDI interface, designed for seamless connection between MIDI gear and computers or iOS devices. Built with high-performance FPT (Fast Processing Technology), it delivers low latency and accurate timing, making it ideal for both studio and live applications.

Its integrated USB and MIDI cables provide a simple, plug-and-play setup, while USB bus power eliminates the need for external power supplies. Compatible with Mac, Windows, and iPad (via Camera Connection Kit), the UM-ONE mk2 is a versatile solution for modern MIDI workflows.

Key Features

• 1-in / 1-out USB MIDI interface (16 MIDI channels each way)
• Roland FPT processing for low latency and tight timing
• Compatible with Mac, Windows, and iOS (iPad)
• Integrated USB and MIDI cables for easy setup
• USB bus-powered – no external power required
• MIDI input and output activity indicators
• Compact and portable design

Specifications

Connectivity

• MIDI IN cable (connects to MIDI OUT) – 16 channels
• MIDI OUT cable (connects to MIDI IN) – 16 channels
• USB connection to computer or iOS device

Controls & Indicators

• COMP/TAB switch
• USB indicator
• MIDI IN indicator
• MIDI OUT indicator

Power

• USB bus-powered
• Current draw: 70 mA

Physical

• Dimensions: 60 × 30 × 14 mm
• Weight: Ultra-lightweight, compact form factor

Summary

A simple, dependable MIDI interface offering accurate timing, low latency, and universal compatibility, perfect for connecting keyboards, controllers, and other MIDI gear to your digital setup.