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 Midiman Portman 2x4 At a Glance   arrowM-Audio News(116)   Streaming Video (36)
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arrowReleased:  arrowVersion: 0.00
arrowRated: 9.0/10arrow User reviews: (3)
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ken callebaut writes:
2in - 4out parallel midi interface

Good Points
very reliable. It never causes notes to get stuck. When I purchased it, It didn't seem to work well. I got a brand new one from Midiman which always works well.
Bad Points
altough the manual says you won't need an external power supply, I had to buy one in order to make it work.

 Midiman Portman 2x4 Specifications:

Digital IOs:

Midi IOs:

 Portman 2x4 Links

Midiman home page Includes info on Portman & drivers

Try the Midi/Sync Interfaces links page for more..