A-7 Noise-canceling electret microphone

Frequency Response

100 Hz to 5 KHz

Operating Voltage (supplied by aircraft)

8-32 Volts DC

Matching Impedance

150-1000 ohms

Sensitivity

-33 +/- 4 db
( ref: 0db SPL= 20.0 uPa at 1 KHz with 10 Vdc 150 ohms AC load )

Color

Green/Black