X="3.6" y="4.0"/> - 2 x switching (normalling) stereo jack without switching contact, vertical PCB mount, retention spring, https://www.neutrik.com/en/product/ncj6fi-h Combo I series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, steel retention lug, horizontal PCB mount, https://www.neutrik.com/en/product/nc4mav B Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc5mbh-b B Series, 3 pole male XLR receptacle, grounding: mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3mahl A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3faah2 AA Series, 3 pole female XLR receptacle, grounding: mating connector shell and front panel: mini toggle: ample space above pcb micro toggle: probably too short without extra spacers, use mini toggle pushbuttons: ample space above 11.75mm (existing 1p12t rotaries, use 11.25mm holes to PCB edge 8.2mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub.