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Audio Monitoring

EP-SZ301S

Item No:2601
Small Dome Audio Monitoring
INQUIRY
  • Details

1.EP-SZ301S small dome audio pickup, designed for audio monitoring, the advantages of big monitoring range and high sensitivity.

2.Dome appearance, the surface design with four line lattice, better to collect environment sound within 10-80.

3.Internal circuit with AGC gain control and power amplification circuit, maximally eliminate the noise, to guarantee the output intensity.

4.Using directional logic dolby surround sound system,effectively reduce the high frequency and low frequency noise of environment and circuit.

5.Built-in lightning protection, power supply polarity re verse connect protection, ESD protection and power protection module.

6.Long audio signal transmission technology, Long audio signal transmission technology,use the RVVP3 x 0.5mm2 shield cable, it is distortionless within 3km.

7.Integrated professional front audio amplifier circuit, direct drive active speakers, DVR, earphones, etc.

8.Applicable to the banks, factory, schools, interrogation room, prison and any places need to video and audio monitoring.

9.Gain patent certificate of State Intellectual Property Office of The People's Republic of China.

10.Gain computer software copyright of National Copyright Administration of The People's Republic of China.


Delivery Term: 15-30days


Parameters:

Items

Audio Pickup Performance    Metrics

Audio Monitor Range

10-80㎡(adjustable

Audio Transmission Distance

3000m

Frequency Response

20Hz~20kHz

Sensitivity

-45dB

SNR

70dB(1m40dB)50dB(10m40dB)1KHz

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

Electret condenser microphones

Microphone Quantity

1pcs

Signal Processing Circuit

Directional    logic dolby surround sound system,AGC,ALC

Protective Circuit

Lightning    protection, power supply polarity re verse connect protection,ESD protection

Connection Way

3 leading wires 

(red lead is power+,white lead is audio+, black is power-&audio-)

 /AV wiring system (DC female,RCA)

Transmission Cable

RVVP3×0.5mm2    shield cable

Supply Voltage

DC10V~18V (recommend to use 12V, more than 500 meters recommended 15 v)

Working Current

50mA

Environment Temperature

-25℃~70℃

Color

White

Housing Material

Advanced    resin PVC

Product Size

72mm×44mm

Weight

40g

Place of Origin

Guangzhou,China

Supply Ability

Spot Goods

Approvals

CE,ROHS,FCC, ISO9001

 

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