Ypa Mm4 Earset Microphone - Tan, 3.5mm Diameter, 1.5m Cable | Omnidirectional, Electret Condenser, Clear Audio

Following are the main specifications of YPA MM4 Earset Microphone :-
Directional characteristics: Omnidirectional
Principle of operation: Pressure
Cartridge type: Back Electret Condenser
Frequency range, A 2 dB: 50 Hz a 20 kHz
Sensitivity, nominal, A 3 dB at 1 kHz: 1 mV/Pa; -45 dB re. 1 V/Pa
Equivalent noise level, A-weighted: Typ. 33 dB(A) re. 20 I Pa (max. 37 dB(A))
Equiv. noise level ITU-R BS.468-4: Typ. 45 dB (max. 49 dB)
S/N ratio, re. 1 kHz at 1 Pa (94 dB SPL): 61 dB(A)
Total harmonic distortion (THD): < 1 % THD up to 123 dB SPL peak; < 1 % THD up to 120 dB SPL RMS sine
Dynamic range: Typ. 90 dB
Max. SPL, peak before clipping: 135 dB
Output impedance: 30 a 40 ohm
Cable drive capability: Up to 300 m (984 ft)
Power supply: For wireless systems: Min. 1.5 V a max. 12 V through YPA adapter.
Connector: MicroDot
Color: Tan
Microphone weight: 22 g
Microphone diameter: 3.5 mm
Cable length: 1.5 m
Cable diameter: 1.6 mm
Polarity: Positively increasing sound pressure produces positive going voltage on MicroDot pin
Operating temperature range: -10 to 45A C (14 to 113A F)