The USB MIDISPORT 4x4 is our most flexible bus-powered multi-port interface. You get 64 x 64 channel addressing to accommodate lots of gear, and bus-powered architecture provides the option of totally mobile operation

FEATURES:

- 4 inputs accept 64 discrete MIDI channels
- 4 outputs transmit 64 discrete MIDI channels
- bus-powered—requires no external power
- compact design for mobile or desktop use