English
Internal circuit with AGC gain control and power amplification circuit, maximally eliminate the noise, to guarantee the output intensity.
The microphone is on the surface and restore sound more closely; hang tenon type design of sliding block structure, easy to absorb the ceiling or side wall installation.
Loud sound and pure timbre within 5-30m² monitoring range.
Audio pickup, designed for audio monitoring, the advantages of big monitoring range and high sensitivity.
Built-in lightning protection, power supply polarity reverse connect protection, ESD electrostatic protection and power protection module.
Long audio signal transmission technology, Long audio signal transmission technology, use the RVVP3 x 0.5mm² shield cable, it is distortion less within 3km.
Integrated professional front audio amplifier circuit, direct drive active speakers, DVR, earphones, etc.
Applicable to the banks, factory, schools, offices and any places need to audio monitoring.
- Audio Monitor Range
- 5-30m²
- Material
- Advanced resin PVC
- Audio Transmission Distance
- 3000m
- Frequency Response
- 20Hz~20kHz
- Sensitivity
- -50dB
- SNR
- 60dB(1m40dB) 50dB(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
- Electret condenser microphone
- Protective Circuit
- Lightning protection, power supply polarity reverse connect protection, ESD protection
- Signal Processing Circuit
- AGC, ALC
- Connection Way
- 3 leading wires (red lead is power+ white lead is audio signal + black is power & audio signal)
- Transmission Cable
- RVVP3×0.5mm2 shield cable
- Power Supply
- DC10V~18V (recommend to use 12V, more than 500 meters recommended 15 v)
- Working Current
- 50mA
- Working Temperature
- -25°C ~ 70°C
- Color
- White/Taupe
- Dimension
- 80mm x 36mm
- Weight
- 40g
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