SWITCHCRAFT 1/4 inch TS MONO INLINE JACK BLACK PLASTIC HANDLE SOLDER LUG
TR-2A 2.5mm Mini Mono Jack with Switch
AMPHENOL 4 CONTACT MALE MIC CONNECTOR PANEL MOUNT 91PC4M
This is an old Amphenol microphone connector series. The connectors are designed primarily for audio equipment but are used extensively on all types of portable equipment and test equipment.