This Module is discontinued.
Vactrol VCA
Qosmo Modular XDyna
XDyna is a vactrol voltage controlled amplifier.
It comprises a "drive" potentiometer to boost up the signal IN amplitude, an "offset" potentiometer and a "cv in" attenuverter.
It can be used for audio and for slow signal down to 1 Hz.
100% handmade with high quality THT components.