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KO-055

Item No:2423
•Using the high sensitivity, directivity condenser microphones, omnidirectional sound pickup;
•Inhibiting high intensity sound automatically,producting the audio surveillance device in the back;
•American BOURNS dedicated potentiometer,adjusting volume;
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  • Details

Datasheet & User Manual:

KO-055 Spec.pdf

Parameters:

Product   name

KO-055

Pickup scope

5-50

Audio transmission distance

3000 meters

Sensitivity

-38dB

Frequency response

20Hz20kHz

Directivity characteristics

Omni-directional

SNR

70dB1.40m dB audio SPL28dB(10.40   dB audio SPL)1KHz at 1 Pa

Dynamic range

104dB(1KHz at Max dB SPL)

Maximum sound pressure

120dB SPL1KHzTHD 1%

Output impedance

600 Ohm non-equilibrium

Output signal amplitude

2.5Vpp/-25db

Microphone

Waterproof  HiFi silvered diaphragm capacitor   microphones

Signal processing circuit

ALC automatic level controlDSP   digital noise reductionAGC automatic gain control

Waterproof properties

IP56

 Protection circuit

30KV Air contact ESD,Lightning protection,Reverse polarity   protection

Drive capability

built-in amplifying circuitdriveing   the headphones directly

Connection method

3 linespower supply, audio, public places

Transmission cable

3 core 0.5mm2   RVVP shielded cable

Supply voltage

DC power supply  DC12V

Supply current

20mA

Operating   ambient temperature

-25℃~70

Color

silver

Shell   material

metal

Dimensions

22.7mm×64mm

Weight

158g

Standard

the   European CE standard,the FCC certification,synchronized audio and video   system construction norms of the Supreme People's Procuratorate

 



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