X="4.5" y="2.8"/> - 2 x switching (normalling) stereo jack and switching ground contact, vertical PCB mount, replaces NL4MD-V-2, https://www.neutrik.com/en/product/nl4mdxx-v-2 speakON Chassis Connectors, 4 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, steel retention lug.