30PCS 4*1.5MM MIC High Sensitivity Microphone Head with Pin Bluetooth Recording Electret Microphone

No

Parameter

Symbol

Condition

Limits

Unit

Min.

Center

Max.

1.1

Sensitivity

S

0dB=1V/Pa, at 1kHz

-48

-45

   -42

    dB

1.2

Output impedance

Z out

f=1kHz

     2.2

KΩ

1.3

Current Consumption

Idss

Vcc =2.0V,Rl=2.2KQ

     500

    mA

1.4

Signal to Noise Ratio

S/N

at1kHzS.P.L=1Pa (A-Weighted Curve)

58

    dB

1.5

Decreasing Voltage

AS-VS

Vcc=1.5Vto2.0V

-3

    dB

1.6

Operating Voltage

     1.0

      10

V

1.7

Maximum input S.P.L

      110

     dB