Digital Waterproof CCTV Microphone MX-K20

  • Pickup Area: 1-15m(Effective pickup distance 0-6m(60dB) 15m(80dB))
  • Transmission Distance: 3000M
  • Frequency Response:20Hz~20KHz(90dB sound pressure, A weighting)
  • Sensitivity:-35dB(10.0mV e 1V at 1Pa)
  • SNR: 85dB(1m40dB) 80dB(10m40dB) 1KHz at 1Pa
  • Directional Property: 45°wide directivity
  • Dynamic Range: 105dB (1KHz at Max dB SPL)
  • Equivalent Input Noise Level: 2.5Vpp/10dB sound pressure(A weighting)
  • Maximum Gain: 60dB
  • Max Sound Pressure: At 125dB SPL, THD< 3% At 125dB SPL, THD = < 10%
  • Max Voice Output: 2.5Vpp/100dB sound pressure(A weighting)
  • Output Impedance: 600~1000Ω non-equilibrium
  • Output Signal Amplitude: 2.5Vpp/125dB sound pressure(A weighting)
  • Microphone: KaBoni Advanced digital noise reduction of silicon MEMS microphone
  • Microphone Quantity: 1pcs
  • Signal Processing Circuit: Triangulation, WDRC, DSP &Multistage dynamic noise reduction processing
  • 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: DC9V~20V (recommend to use 12V, more than 500 meters recommended 15V)
  • Working Current: 30mA
  • Electromagnetic Compatibility: GB 9254-2008
  • Reliability Index: MTBF≧80000 hours
  • Working Environment: -40℃~75℃
  • Color: Hoary
  • Housing Material: Metal+stainless steel double metal mesh
  • Product Size: 138mm×50mm
  • Weight: 360g
  • Place of Origin: Guangzhou, China
  • Supply Ability: Spot goods
  • Approvals: CE, ROHS, FCC, ISO9001

Product Overview

● MX-K20 Advanced digital waterproof vandalproof CCTV microphone, specially designed for outdoor remote monitoring.
● Using rugged, durable and beauty metal shell, plating processing on surface, far away from the surrounding environment noise.
● Using KaBoni advanced digital noise reduction of silicon MEMS microphones, 1-15m in high fidelity, high sensitivity, low noise.
● The performance of waterproof, moistureproof, dustproof is good, can continuous work 48 hours in the rain environment, accord with standard of IP65
● Adopt "Wide dynamic range compression " patent technology, realize the WDRC Wide dynamic range compression.
● Using array alignment technique and streamline appearance design and metal sound filter protection net, can effectively reduce the echo of empty places.
● Built-in voice high-speed DSP processing units and two level dynamic noise reduction processing.
● Automatically adjust the high strength sound and instant impulsive 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 -40℃~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, headphones, etc.
● Applicable to the hall, corridor, patrol pavilion, trains and other indoor or outdoor environment of synchronous audio monitoring 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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