Xlr malefemale sockets neutrik nc3fbav1 d the neutrik nc3fbav 1 vertical female xlr socket from the ba series is the more economical version of the b series with circumferential metal flange featuring emc and rf shielding and mechanical robustness three pole male xlr receptacle grounding mating connector shell to pin1 and front panel horizontal pcb mount neutrik nc3fbav1 d vertical female xlr socket