Unbranded C9767ED423LF C9767ED423LF Electret Microphone Capsule Operating voltage: 1.5 - 12 Vdc Frequency range: 18 - 20 000 Hz

This compact and robust electret microphone consists of a few thousandth millimeter thick, conductive membrane that can be tightly electrically insulated on acoustic base (often) perforated metal plate. Area of application: in means of communication (Example: Telephone, Recorder, HiFi and announcement microphone) and for mobile application(example: listening device).