Create a real MIDI OUT port for your pure USB MIDI controllers and keyboards, without a PC!
ExcelValley - MIDI Adapter Breakout Cables - All Versions Available !!
MIDI to USB Cable(6.6FT), USB to MIDI Cable Converter 2 in 1 PC to Synthesizer Music Studio Keyboard Interface Wire Plug Controller Adapter Cord 16 Channels, Supports Computer Laptop Windows and Mac
MIDI USB Cable Adapter Interface 5-Pin DIN MIDI to USB IN-OUT Cable Converter
GitHub - gdsports/midiuartusbh: MIDI DIN to MIDI USB Host Converter
Bluetooth Wireless 5-pin DIN MIDI and USB Host adapter / MVAVE MS1 –
Mode Machines Cerebel USB MIDI Serial Converter - Perfect Circuit
Kenton D-Sync Bi-directional MIDI to DIN Sync Converter
An Introduction to MIDI Connections — iConnectivity
High-Speed USB MIDI Host Box - DOREMiDi
Other/unknown HobbyTronics MIDI USB-to-DIN Converter - Pedal on ModularGrid
MIDI Connections
micro.ghost — Disaster Area Designs
Hobbytronics MIDI USB to DIN Converter