USB CCTV Microphone COTT-C3

Pickup Area: 3m
Transmission Distance: 3000m
Frequency Response: 20Hz~20KHz
Sensitivity: -40dB
SNR: 80dB(1m40dB) 42dB (10m40dB) 1KHz at 1Pa
Directional Property: Omnidirectional
Dynamic Range: 80dB (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 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: USB power supply, 3.5 audio output
Transmission Cable: Telephone wire,Network twisted pair, shield cable(pls use shield cable in complex electromagnetic enviroment)
Supply Voltage: DC9V~18V (recommend to use 12V, more than 500 meters recommended 15V)
Working Current: 30mA
Working Environment: -25℃~70℃
Color: Black
Housing Material: Aluminium alloy
Product Size: 114mm×89mm×18mm
Weight: 150g
Place of Origin: Guangzhou,China
Supply Ability: Spot goods
Approvals: CE, ROHS, FCC, ISO9001

Product Overview

  • COTT-C3 desktop audio monitoring,specially designed for the counter, meeting rooms and other environment
  • With tough alloy base and double metal net design, clear and loud voice.
  • KaBoni gold plated vibrate membrane capacitor microphones,within 3 meters in high fidelity, high sensitivity, low noise.
  • Using USB power supply, 3.5 MIC output lead, collect sound from single pointing or omnidirectional.
  • Advanced automatic bandwidth adjustment echo cancellation technology and efficient stimulator, fashion and technology perfect combination.
  • Equipped with high-pass filtering noise reduction circuit, effectively reduce the high and low frequency noise from environment and circuit
  • Built-in AGC digital voice noise reduction signal processing circuit, effectively prevent voice signal distortion and attenuation.
  • Built-in ALC microprocessor chip control circuit, automatically control high intensity sound, reliably protect back-end audio monitor equipment
  • Built-in lightning protection, power supply polarity reverse connect protection, ESD protection and power protection module.
  • Long audio signal transmission technology, use the RVVP3 x 0.5mm2 shield cable, it is distortionless within 3km.
  • Applies to -20℃~75℃ in the super environmental temperature, to ensure the quality of the back-end high recording effect.
  • Integrated ASIC front audio amplifier circuit, direct drive active speakers, DVR, earphone, etc.
  • Applicable to the counter, detention house, interrogation room,service window and other small house of synchronous monitoring audio recording.
  • 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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