AMPHENOL 1 CONTACT MIC CONNECTOR CABLE END 80M75MC1M
AMPHENOL 3 CONTACT MALE MIC CONNECTOR CABLE END 91MC3M1
AMPHENOL 3 CONTACT FEMALE MIC CONNECTOR CABLE END 91MC3F
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.