CCTV Microphone Built-in AGC Circuit

- CCTV Microphone Built-in AGC circuit

- low noise,pure sound

- suit for various occasions Groove design for receiving echo

- Adjustable sensitivity

- Power polarity protection circuit Voltage: 9-12VDC

- Electric current:20MA Frequency range: 100-100 KHZ Output impedance: 600 ohm non equilibrium Pickup range: 5~100m² Weight:52g, Size: 70mm*70mm*39mm