The MIDI USB Prodipe 4i4o is a convenient 4 in / 4 out, 64 channels, USB MIDI interface for PC and Mac computers.
With the MIDI USB Prodipe 4i4o you can obtain perfect MIDI timing and performance at an extremely affordable price.

Specification:

• 4 MIDI inputs and 4 MIDI outputs (64 MIDI channels)
• Merge function included Perfect MIDI timing
• High-speed connection to USB-equipped PC or Macintosh computers
• USB-powered; required no external power supply
• Compact size Compatible with Windows XP, Vista and Mac OSX or better
• True plug-n-play, users do not need to install driver for Windows XP, Vista and Mac OSX
• Size: 14,6 x 8,40 x 4 cm

 Requirements:
PC :

• Windows XP, Vista
• Intel Pentium CPU or equivalent
• AMD CPU minimum
• Motherboard with Intel series chipsets or VIA chipsets recommended
• One available USB port
• More than 256MB of RAM

 
Mac :

• Mac OS 10.1 or higher only
• Macintosh with G3 or better processor (except the original PowerBook G3)
• One available USB port
• More than 256MB of RAM