Available as an assembled Module and as a DIY project.
This Module is currently available.
4 Channel VCA Mixer
Features:
FX phase jumper – because not all FX that you might use in the FX loop are in phase with respect to their input/output. The phase jumper allows you to compensate for this and avoid weird phase cancellations.
https://frequencycentral.co.uk/product/strips-4-channel-vca-mixer/
3 Users are observing this
These merchants probably sell this module. Huh?