10 pcs : CMC-4015-40P - Microphones 2Vdc -40db Pin mount 8mm Omnidirectional

CMC Electret Condenser Microphones CUI Devices CMC Electret Condenser Microphones are 1.5 to 4.5VDC microphones that convert sound into an electric signal. The condenser microphones are unique and feature a high Acoustic Overload Point (AOP, also known as maximum input SPL) of 130dB. CUI Devices CMC microphones contain a permanent charge so that they do not need an external polarizing voltage. CMC Devices omnidirectional, unidirectional, or noise-canceling microphones offer diameters as compact as 3mm in a variety of configurations and sensitivity ranges from -24dBA to -54dBA.