This new line includes both input microphones and output sounders. The input electret microphones are omni-directional, IP-57 rated, 2VDC, with an operating frequency range of 100 to 20KHz and signal-to-noise ratio of 0.5mA within a temperature range from -20 to +70 degrees.
Transducers USA Water-resistant I/O Audio Components
Transducers USA announces the introduction of its water-resistant microphones and audible indicators, which are IP-57, IP-65, and/or IP-67 rated to meet requirements for waterproof or dust-proof applications.