CGS01 Sub Oscillator
This is the Cat Girl Synthesizers CGS01 Sub Oscillator / Harmonic Sequencer in 1U width format built by Lower West Side Studio. The module is identical to the 2U width version except for width and knob size.
https://richsstudioproject.wordpress.com/cat-girl-cgs01-sub-oscillator-harmonic-sequencer/
This Module is currently available.