3 x SONY ECM-44B Electret Condenser Lavalier Microphone for Parts, Repair only

Sony ECM-44B Omnidirectional Lavalier Microphone

Sony ECM-44B Electret Condenser Omnidirectional Lavalier Microphone W/Box - Good

Vintage Sony ECM-30 Electret Condenser Microphone Made in Japan

Sony Condenser Wireless Stereo Microphone Model ECM-DS70P with Cable

lot of 2 Sony ECM-77B,44B Electret Condenser Omnidirectional Lavalier Microphone

Sony ECM-44B Electret Condenser Microphone w/Case