2-in/2-out USB 2.0 MIDI Interface

Simple but versatile, RoMI/O II offers 32 MIDI output channels via 2 MIDI output ports and 32 MIDI input channels via 2 MIDI input ports in one simple adapter cable that connects to the USB 2.0 or USB 1.1 port of your computer.

As its famous predecessor RoMI/O, RoMI/O II is compact enough to fit in the palm of your hand and rugged enough for any outdoor mobile musical adventure.


  • 2-in/2-out MIDI interface with 32 input and 32 output channels
  • Hardware MIDI time sync
  • modern USB 2.0 based design (compatible to USB 1.1 interfaces)
  • MIDI activity indicators for each port
  • Extremely compact design and light weight for ultimate mobile use
  • Plug-and-play installation
  • USB bus powered
  • Windows XP and Mac OS X compatible (Hardware Revision A and B)
  • Windows Vista and Windows 7/8 compatible (Hardware Revision B only)
  • optional ESI MIDI Port driver for multi device / multi client operation under Windows available (Hardware Revision B only)