5 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount 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). UL recognized component.
Features:

1. smallest XLR receptacles, highest packing density
2. plastic housing, steel latch lock
3. polished contact areas and hard gold plating
4. housing flammability UL94HB

nc5mah.pdf