power supply not included. compatible with a 9v-12v dc adapter not included .

working order

The MD80 functions as a versatile 2-input, 8-output MIDI routing module. It is the perfect solution for musicians and producers who need to control multiple racks, synthesizers, or sound modules from one or two master controllers.

Key Features:
Dual Input Routing: Two MIDI IN ports allow for two separate master controllers.
8 Output Ports: Eight MIDI THRU ports to distribute signals to a wide array of gear.
Customizable Switching: Two independent 3-way sliding switches allow you to assign MIDI inputs to output groups (1-4 and 5-8) or turn sections OFF entirely.
Robust Build: Features a heavy-duty metal housing designed for both studio and live performance reliability.
Easy Monitoring: Includes a central LED power indicator.

Technical Specs:
Model: MD 80
Type: MIDI Patcher / Switcher / Expander
Power Requirement: DC 9V-12V (center negative)