The CUI Devices part CMA-6542TF-K is a high-quality electret condenser microphone designed for applications that require exceptional sound pickup capabilities. With a compact design of just 9.7 mm, this omnidirectional microphone offers convenient installation with its terminal mount feature. Powered by 1.5 Vdc, this microphone delivers clear and reliable audio in a wide range of settings, making it an ideal choice for various electronic devices and communication systems.