Digital Array Noise Reduction CCTV Microphone MX-K50

Pickup Area: 10-300㎡ (adjustable)

Audio Transmission Distance: 3000m

Frequency Response: 20Hz~20KHz (90dB sound pressure, A weighting))

Sensitivity: -24dB (10.0mV e 1V at 1Pa)

SNR: 90dB (1m40dB) 80dB (10m40dB) 1KHz at 1Pa

Directional Property: Omnidirectional

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 < 1% At 130dB SPL, THD = < 10%

Max Voice Output: 2.5Vpp/100dB sound pressure (A weighting)

Output Signal Amplitude: 2.5Vpp/125dB sound pressure (A weighting)

Output Impedance: 600~1000Ω non-equilibrium

Microphone: KaBoni Advanced digital noise reduction of silicon MEMS microphone

Microphone Quantity: 1pcs

Signal Processing Circuit: Triangulation, WDRC, FPGA?dual core processor, ATDA dynamic noise level detection

Protective Circuit: Lightning protection, power supply polarity reverse connect protection, ESD protection

Connection Way: 3 leading wires

(red lead is power+, white lead is audio signal+, black is power-&audio signal-)Transmission Cable: Telephone wire, Network twisted pair, shield cable(pls use shield cable in complex electromagnetic environment)

Supply Voltage: DC9V~20V (recommend to use 12V, more than 500 meters recommended 15 v)

Working Current: 30mA

Electromagnetic Compatibility: GB 9254-2008

Reliability Index: MTBF≧80000 hours

Working Environment: -40℃~75℃

Color: Black

Housing Material: aluminium alloy + metal net

Product Size: 95mm×30mm

Weight: 180g

Place of Origin: Guangzhou,China

Supply Ability: Spot goods

Approvals: CE, ROHS, FCC, ISO9001

Product Overview

  • MX-K50 HD noise reduction audio monitor and automatically identify noise reduction sound pickup, designed for complex environment.
  • The tough aluminum alloy casting bottom shell, the unique triangular fixed design, easy to install and fix.
  • Using KaBoni advanced digital noise reduction of silicon MEMS microphones, high fidelity and no noise within 10-300㎡.
  • Adopt "Wide dynamic range compression " patent technology, realize the WDRC Wide dynamic range compression
  • Using"Triangulation" array technology and streamline appearance design, catch complete and clear voice.
  • Built-in voice high-speed DSP processing units, integrated professional automatically identify noise processing technology and multistage dynamic noise reduction processing
  • Conform to high broadband, high linear, and stable response of digital age, has high dissociation energy to hear clear voice. 
  • 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.
  • Suitable for high-speed rail, train, coach, interrogation room and other high requirements complex environment of synchronous audio and video 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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