Hi-Fi CCTV Microphone COTT-C7

Pickup Area: 10-150㎡(adjustable)
Transmission Distance: 3000m
Frequency Response: 20Hz~20KHz
Sensitivity: -28dB
SNR: 88dB (1m40dB) 50dB (10m40dB) 1KHz at 1Pa
Directional Property: Omnidirectional
Dynamic Range: 104dB (1KHz at Max dB SPL)
Max Sound Pressure: 120dB SPL (1KHz,THD 1%)
Output Impedance: 600~1000Ω non-equilibrium
Output Signal Amplitude: 2.5Vpp/-25dB
Microphone: KaBoni large gold plated vibration membrane capacitor microphones
Microphone Quantity: 1pcs
Signal Processing Circuit: DSP,AGC,ALC
Protective Circuit: Lightning protection, power supply polarity reverse connect protection, ESD protection
Connection Way: 3 leading wires (red power lead is positive wire, white audio lead is positive, black is public wire)
Transmission Cable: Telephone wire, Network twisted pair, shield cable(pls use shield cable in complex electromagnetic enviroment)
Supply Voltage: DC10V~18V (recommend to use 12V, more than 500 meters recommended 15V)
Working Current: 20mA
Working Environment: -25℃~70℃
Color: Creamy white
Housing Material: Advanced resin PVC+spray diffusion coating
Product Size: 78mm×35mm
Weight: 65g
Place of Origin: Guangzhou, China
Supply Ability: Spot goods
Approvals: CE, ROHS, FCC, ISO9001

Product Overview

● COTT-QD28 Fidelity Audio Pickup, designed for audio monitoring, the advantages of large monitoring range and high sensitivity.
● Gold-plated vibration membrane microphones, 5~120㎡ in high fidelity, high sensitivity, high bandwidth and low noise.
● Built-in AGC and DTS noise reduction signal processing circuit, automatically adjust high strength voice and instantaneous impact sound.
● Built-in newest DNP and DSP digital processing unit, completely eliminate "hiss" electronic noise.
● Equipped with high-pass filtering noise reduction circuit, effectively reduce the high frequency and low frequency noise of environment and circuit.
● Long audio signal transmission technology, long audio signal transmission technology, use the RVVP3 x 0.5mm2 shield cable, it is distortionless within 3km.
● Integrated professional front audio amplifier circuit, direct drive active speakers, DVR, earphones, etc.
● Applicable to television broadcasting, TC Teleconference, classrooms and any places need to monitoring.
● Gain patent certificate of State Intellectual Property Office of The People's Republic of China.
● Gain computer software copyright of National Copyright Administration of The People's Republic of China. 
 
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Guangzhou Sizheng Electronic Technology Co.,Ltd.

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