ESI M4U XT 4-Input / 4-Output USB MIDI Interface

The M4U XT 4-Input / 4-Output USB MIDI Interface from ESI/Ego Sys is a compact MIDI solution for both Mac and Windows platforms — it even supports Linux and iPad (Apple Camera Connection Kit required.) It supports Plug-n-Play operation, with no necessary drivers, and is USB bus-powered for further convenience. It is capable of handling 64 MIDI input channels and 64 MIDI output channels. The front panel has a MIDI activity indicator for each of the 5-pin DIN connectors.