3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, Retention spring instead of latch The 'State of the Art' receptacle. Round plastic body XLR PCB mount panel connector. These have the smallest size and highest packing density (23 mm between centres). New designed tulip type contacts with hard gold plating and polished contact areas. UL recognized component.