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Noise-reducing interphone headset

  • Noise-reducing interphone headset
Noise-reducing interphone headset

Noise-reducing interphone headset

  • Product description: Noise-reducing interphone headset
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Noise-reducing interphone headset


Applies to tremendous noisy environment such as large construction site, mining, road building, drilling platform and oversea transportation, etc.

1. Microphone

Microphone type: electret

Frequency response: 100Hz8000Hz

Bias voltage: 1.5V12V

Sensitivity: -33dB ±4dB

Impedance: 150Ω~1000Ω(1kHz

Directivity: single directivity

2. output speaker

Speaker type: magnetic speaker

Frequency response: 50Hz12500Hz

Nominal impedance/power: 50Ω/0.5W

Sensitivity: -95dB ±4dB

Specification: Φ50mm



3. others

Operating environment: -20℃~65

SNR: 22dB

Products dimension:220*180*100mm

Weight:480g

Interphone cable length: 850mm


Noise attenuation

Frequency(Hz)

250

500

1000

2000

3150

4000

6300

8000

Noise-reducing value

22.2

40.5

47

42

41.5

50.7

34.3

47.6

H=26.8   M=23.1   L=16.3        SNR=22


Functional specification

1.noise-reducing interphone headset, it protects hearing well in tremendous noisy environment and keep clear communication at the same time.

2. plug headset wire into the interphone aux port, then one can hear the other’s voice. There is a PTT button in earcup, its function is same as the PTT in interphone, “hold down the button and speak ”. loose the button then one can hear the others’ talking.

3. Microphone pole can be adjusted, we can bend it to headset band position if no need talk.

4. headset band is shrinkable, we can adjust it to suit for our needs.