Outdoor Sound Pickup Microphone Wired Voice Receiver For CCTV DVR Audio Security

Description

This sound pick up microphone contains HiFi processing chip with low noise performance, and contains dedicated AGC circuit. It can work outdoor, effective sound pick up area within 5 to 100 square meters. It's been widely used in prisons, shopping malls ... etc.
Note:
1. Waterproof design, can use outdoor, but not for underwater
2. Not include power adapter
Packing List (bulk pack):
1 x Sound pick up mic
1 x Manual
Features:
Plug and play, use within 5-100 square meter area
Sound sensitivity can be adjusted
Built-in automatic gain control (AGC) circuit
High-fidelity low noise processing chip, effectively suppressing ambient noise
Small power consumption
Using with CCTV to synchronous video and audio (CCTV must provide audio function)
Adapted to banks, prisons, examination room, shopping malls, and other places
Waterproof, can work outdoor
Specification:
Listening range: 5-100 square meters
Sensitivity: -43db, 1000Hz
Frenquency range: 200-10KHz
Operation voltage: 9-12VDC
Output impedance: 600Ω Non - equilibrium
Wiring: Red (power+) black (power-) white (audio+)
Signal processing: AGC automatic Gain
Shell material: White ABS
Operation temperature: -20℃ - 50℃
Dimensions: 60 x 30x 20mm
Weight: 27g