Neutrik d lx panel sockets neutrik nc3fd lx m3 these 3 pole panel sockets are from neutriks d lx series of xlr chassis connectors and provide unequalled performance through quality design they feature a compact all metal housing with a duplex ground contact which offers excellent rf protection and shielding it is the ideal match for mating with neutriks emc xlr cable connector neutrik 3 pole nc3fd lx m3 panel socket