4PINMICJACK - 4 PIN Microphone Jack Chassis Connector(no hardware)
Amazon.com: Czyuntuo 4 Pin Microphone Connector Female Angle Right GX16 Panel Mount Circular Metal Aviation Connector Adapter for CB Ham Radio -5 Pack : Electronics
4-pin chassis mount female microphone connector (P/N: 9304-PANEL) - Max-Gain Systems
Microphone Adapter - Shure Microphones with TA4F 4 pin mini XLR connec – YesMic.com - Fitness Audio Systems