Single 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.
https://prismcircuits.net/products/gate
Available as an assembled Module and as a DIY project.
This Module is currently available.
$40