- 2 x switching (normalling) stereo jack and switching ground contact, horizontal PCB mount, retention spring, https://www.neutrik.com/en/product/ncj10fi-h Combo I series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, vertical PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3mbv-b B Series, 5 pole male chassis connector, black D-size flange, self tapping screw holes (A-screw), horizontal PCB mount, retention spring, https://www.neutrik.com/en/product/ncj6fi-v Combo I series, 3 pole male XLR receptacle, switching contacts, grounding: separate ground contact connected to trigger, gate jack is normalized\nto +12.