Key Features of SIZHENG SIZ-130 cctv audio microphone
1.Vandal-proof audio monitor, wire can be buried in the wall, screw hidden inside a wall, and more firmly fixed.
2.Prison special vandalproof metal housing audio monitor, product is elegant appearance, easy to install and fixation.
3.Using adjustable sensitivity design, monitoring range is up to 10-50 square meters.
4.After using a two-stage amplifier, output signal amplitude is very strong, reliably protect backend and transmission quality.
5.Widely used in the prison, detention and interrogation room, drug rehabilitation center, and other indoor audio monitoring places.
Specifications of SIZHENG SIZ-130 cctv audio microphone
|Audio Monitor Range||10-50 square meters (adjustable)|
|Audio Transmission Distance||1000m|
|SNR||65dB ( 1m40 dB)40dB (10 m40 dB) 1KHz at 1 Pa|
|Dynamic Range||40dB (1KHz at Max dB SPL)|
|Max Sound Pressure||80dB SPL (1KHz,THD 1%)|
|Output Impedance||600 ~ 1000Ω non-equilibrium|
|Microphone||Electret condenser microphone|
|Connection Way|| 3 leading wires: red wire is power+ (V) ,
black wire is power-& audio signal- (G), white is audio signal+ (A)
|Transmission Cable|| RVV cable
(pls use shield cable in complex electromagnetic environment)
|Supply Voltage|| DC9V-18V
(recommend to use 12V, more than 500 meters recommended 15V)
|Housing Material||Aluminium alloy|
|Place of Origin||Guangzhou, China|
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