- 2 x switching (normalling) stereo jack and switching ground contact, vertical PCB mount, https://www.neutrik.com/en/product/nc3faav A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel: mini toggle: 2.5mm above panel, tight but possible mini toggle: 2.5mm above panel, ample thunkicons: probably too tight; could work with spacer but it lacks the second mid-surdo.