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Smart noise reduction headphones

  • Cabin inductive loop noise-reducing headset
Cabin inductive loop noise-reducing headset

Cabin inductive loop noise-reducing headset

  • Product description: Cabin inductive loop noise-reducing headset
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Apply to noise-reducing in tremendous noisy ship engine rooms, it has a unidirectional signal receiver inside.

1. product applification

Operating  voltage: 1.5V

Operating  current: 3mA

Frequency response: 250Hz8000Hz

Receiver power dissipation: 20mW

Max receiving volume :85dB

SNR:22dB

2. output speaker

Speaker type: magnetic speaker

Frequency response: 50Hz12500Hz

Nominal impedance/power: 32Ω/0.1W

Sensitivity: -95dB ±4dB

Specification: Φ27mm


3. other

Operating environment: -20℃~65

Antenna inductive distance: within 3meters

Antenna inductive distance: within 3meters

Weight:450g


noise attenuation

Frequency(Hz)

250

500

1000

2000

3150

4000

6300

8000

Noise-reducing  value

27

39.4

55.8

39

47.6

44.4

44

54.4

H=26.8  M=23.1  L=16.3        SNR=22


Functional specification

1. paving antenna in ship engine room in advance, put on headset and receive orders from control tower, this headset isolate tremendous noise in engine rooms and help crews fulfill tasks.

2. powered by two pieces 1.5V batteries, easy for replacing. Turn volume knob to switch on electricity and adjust volumes to suit for one’s needs.

3. built-in inductive antenna to receive wireless instructions.

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