Module is available as a DIY project only.
No info about availability.
VCA
Compact AC coupled, Voltage Controlled Amplifier (VCA)
The design is based around the THAT2180 chip and gives a response right down to 90dB fully closed.
Technical Specifications:
AC coupled input & output
Exponential control voltage response (0 to +5v range for CV input)
Beginner level assembly with full documentation provided.
These merchants probably sell this module. Huh?