MST Stereo Output Mixer DIY Kit by Synthrotek - Eurorack Module Modular Kit

MST Expressor Kit by Synthrotek Eurorack Modular Expression Pedal Module

MST 4-Channel Audio / CV Mixer Eurorack PCBs and Panel

MST Dual 2164 VCA Eurorack PCBs and Panel by Synthrotek

Synthrotek 1U Stereo Output Mixer Eurorack Module DIY Kit

MST Ribbon Controller Eurorack Module Modular

MST Noise / Sample and Hold / Track and Hold DIY Kit Eurorack by Synthrotek

MST '07 Buffered Multiple DIY Kit by Synthrotek Eurorack Module Modular