Labels Milestones
BackPCB contacts (4 switching contacts), https://www.neutrik.com/en/product/nl4md-v-s speakON Chassis Connectors, 4 pole female XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 2.75u, PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3mbhr-b B Series, 3 pole male XLR receptacle, grounding: separate.