The electret microphone destined to be used as a part of hearing aid devices, microphone sets and other communication facilities.

Technical data

Sensitivity at no-load operation with the power source voltage (1,2) V at the frequency of 1000 Hz, mV/Pa, no less than 3
Variation of frequency response at no-load operation in the operation frequency range of 250-4000 Hz, no more than 15
The current drawn by the microphone , mKa no more than

70

Output resistance , kOhm, no more than

3,5

Level of equivalent sound pressure caused by the microphone's own noises, dB, no more than 28
Dimensions, mm 7,9x5,6x2,7
Weight g, no more than 0,7