The CMA-6542PF is an omnidirectional electret condenser microphone designed for general audio capture. It features a typical sensitivity of -42 dB and operates over a frequency range of 50 to 20,000 Hz. This microphone requires a typical operating voltage of 4.5 Vdc, has a maximum current consumption of 0.5 mA, and provides a minimum signal-to-noise ratio of 60 dBA. Housed in a compact Ø9.7 x 6.5 mm aluminum case, its robust design and wide operating temperature range of -20°C to 70°C make it suitable for various audio recording applications.