MOTU Audio Express 4x6 Audio Interface (Firewire/USB 2.0)

4 Input, 6 output USB/MIDI/SMPTE interface/patchbay/merger
96 MIDI Channels and a host of MIDI processing capabilities
Plug-and-play USB operation
Compatible with Mac OS X and Windows
Sturdy, metal chassis, half-rack unit, with internal power supply

Same as the MIDI Express XT, except that it is a half-rack unit with 4 MIDI inputs, 6 MIDI outputs and 96 MIDI channels. Includes SMPTE-to-MIDI time code conversion, MIDI processing and expansion via any standard USB hub.