- 2 x switching (normalling) stereo jack without switching contact, horizontal PCB mount, https://www.neutrik.com/en/product/nc5mah A Series, Chassis connector Phoenix H male (A series layout), mates with Phoenix MSTB2,5/3-ST, horizontal PCB mount, https://www.neutrik.com/en/product/nc3maah-1 AA Series, 3 pole XLR female receptacle with 6.35mm (1/4in) mono jack, switched, with chrome ferrule and straight PCB pins, https://www.neutrik.com/en/product/nmj6hfd2 M Series, 6.35mm (1/4in) stereo jack, switched, half threaded nose, sleeve contact/front panel connection, https://www.neutrik.com/en/product/nrj6hf-1-au Slim Jacks, 6.35mm (1/4in) stereo jack without switching contact, vertical PCB mount, https://www.neutrik.com/en/product/nc5mav-sw A Series, 3 pole female XLR receptacle, switching contacts, grounding: separate ground contact to mating connector.