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Knowles ST microphones - EM Series (3.63x3.63x2.28 mm)

EMThe EM is a popular, alternative omni-directional microphone. The EM can also be used in directional applications as a matched omni-directional pair.

    • High resistance to mechanical shock
    • Improved RFI and EMI
    • Undamped, screen damped, and internally damped responses
    • Numerous port locations
    • Wide range of frequency responses
 Model Picture Sensitivity @ 1kHz DC Supply (Vdc) Max. Ampli. Current Drain (uA) "A" Weighted Noise *1kHz
**re 1Vrms
Nom. Output Imp. (Ω) Comments
EM-2304B-P16 EM-2304B-P16 -56.0 ±3 1.3 nom. 3.0 max 50 31.0 dB* 4400 3-Wire, 25.4mm Litz Wire Standard Response
EM-23069-000 EM-23069-000 -56.0±3 1.3 nom. 1.6 max 50 33.0 dB* 4400 Tubeless Standard Response
EM-30081-D65 EM-30081-D65 -68.0±3 1.3 nom. 3.0 max 50 -98.0 dB** 4400 12dB/Octave Ski-Slope
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