ENGL - Z9 MIDI
The Z-9 Footswitch can serve as a simple MIDI controller with 10 memory slots or for ENGL amps with S.A.C. operate the Channel switching and other features. Power is supplied via MIDI cable, power supply or S.A.C. interface.
Stainless Steel Housing
Solid Footswitches with LED indicators
Bank A/B (with 5 memory slots each) MIDI operating mode
S.A.C operating mode
8m Engl Premium Cable
https://www.engl-amps.com/z9#content
Available as an assembled module and as a DIY project.
This module is currently available.