Echo Mic wired 4 Pin Cobra Uniden, Features Astatic Style mic cord.
Sensitivity: -42 dB at 1,000 Hz (at Maximum V.R. and at Minimum Echo Volume V.R.)
Impedance: 3 Kohm and less at 100 Hz (at V.R. max)
Frequency Response: 150-3,500 Hz
Echo Frequency Response: 200-3,000 Hz
Battery: DC 9V (006P)
Mike Cartridge: ECM Type
Type: Omni Directional electret condenser type.
Outside Slide control Controls the total amount of echo.
Dual Inside controls control the amount of Microphone Amplification and Echo Repeat Speed.