If your creativity happens in a studio environment with multiple MIDI devices, the UM-550 provides a 5 x 5 near-zero-latency MIDI interface/ MIDI patching. Its 3/4" rack design combined with all the same utility functions as its "big brother" the UM-880 , make it the "just right" solution for USB connectivity of medium complexity MIDI implementations.

Main Features

• 5-in, 5-out USB MIDI Interface to computer (control up to 80 channels)
• Stand-alone hardware MIDI Patcher without connecting to computer
• Quick patching, easy operation, and low latency with HDMR (Hardware Direct MIDI Routing) technology
• Fast and stable MIDI data transmission realized by FPT (Fast Processing Technology of MIDI transmission)
• Comfortable patching operation with LED switches on the front panel
• Convenient MIDI utility function (Merge, MIDI Message filter, Preview, Cable check)
• Letter size compact body for desktop use, and variable rack-mount type with detachable adaptors
• Ability to connect as many as 4 units at once to the computer for a total of 320 channels
  
  

Other Key Specifications

• Power Supply: DV 9V (AC adaptor)
• Dimensions: 280(W) x 44(D) x 237.5(H) mm , 11-1/16(W) x 1-3/4(D) x 9-3/8H) inches
• Weight: 1.5kg / 3lbs 5oz
• Accessories: Driver CD-ROM, Owner’s manual, USB cable, AC adaptor, Rack-mount adaptor x 2, Function list, Desk-stand mount

System Requirements

Macintosh

• Operating System: MacOS 8.5, 8.6, 9.x, *OSX
• Computer: USB read Apple Macintosh
• CPU/clock: PowerPC G3/233 MHz or higher
• Memory (RAM): 96 MB or more

* For users of Mac OSX, this product is compatible with the USB MIDI Class drivers built into Mac OS X, offering full "out-of the-box" compatibility to Mac OSX MIDI software.

Windows

• OS : Microsoft Windows 98/Me/2000/XP
• Computer : WindowsMe/98/2000/XP-compatible personal computer equipped with a *USB port
• CPU/Clock : Pentium Processor 200 MHz or higher
• Memory (RAM) : 64 MB (128 MB on Windwos2000/XP)
• USB Chipset: Intel’s USB chipset is recommended.

* Must have a compatible USB host controller.