The microphone shall be a subminiature electret-condenser microphone with omnidirectional polar pattern and a frequency response from 20 Hz up to 20 kHz. The microphone shall provide interchangeable equalization caps and windscreens as well as; extensive mounting material shall be included. 

Output Level: -45 dB/Pa (5.6 mV) 
Maximum Sound Pressure Level (at 1 kOhm load, 1% THD): 133 dB SPL
Diameter: 5.8 mm
Net Weight: 188 g