Good Quality High Fidelity Low Noise Chip Camera Sound Pick-up, Round Mic/Microphone Speaker Monitor for CCTV Security Camera

The product is produced with high fidelity low noise chip, Effectively reduce open room echo, built-in automatic gain control (AGC) circuit elaborate design, has little noise and high fidelity, wide voltage range, long transmission distance, etc.
Sensitivity adjustable
Montior range: 5m² --150m²
Working voltage: DC 6V~~ 12V Current Consumption: 12mA
Frequency range: 200~~10kHz frequency response: 2.5dB
Output impedance: 600 Ω Output Level: 0~6V
Size: Φ = 69mm, h = 39mm