USB MIDI 4x4 from Miditech/MidiPlus Hacked - Hackster.io
MIDITECH MIDIFACE 4X4 : Musical Instruments
Miditech MIDIface 4x4 – Thomann United States
MIDITECH MIDI face 4x4 MIDI Interface
Miditech MIDIface 4x4 – Thomann United States
Toast ME - Warning about certain USB-MIDI adapters. Please be ware of this specific kind of Midi-to-Usb cables (similar to this picture), they are cheap but there is a great chance they
File:MidiTech Midiface 4x4 - 4in-4out USB MIDI interface (photo by David J).jpg - Wikimedia Commons