Available as an assembled Module and as a DIY project.
This Module is currently available.
Specs are approved by the manufacturerSingle channel VCA
The Gate module is an AC or DC coupled VCA featuring superior audio processing capabilities. The VCA can be used as a standard voltage controlled amplifier with either log or linear control voltage characteristics. The DC coupled input can be used to modulate CV signals to create oddly shaped outputs.
These merchants probably sell this module. Huh?