Available as an assembled Module and as a DIY project.
This Module is currently available.
Dual Linear VCA
Dual linear response analog VCA module. The top VCA has two identical CV inputs, The bottom has a CV input and an inverted CV input. These inputs are sensitive such that 5V (likewise +/-2.5 or -5V) is enough to fully open or close the VCA. Dedicated attenuators for CV1 inputs.
3 Users are observing this
These merchants probably sell this module. Huh?