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EE6902 electronic earmuff

Name: Electronic earmuff hearing protection and amplifies sounds 

Model: EE6902

Feature:
* NRR22 dB

* Four microphones

*  Cut off over 82dB

*  5 times sound amplification

* Independent electronic circuit on both cups for better performance

* Low profile design, light weight ,

* Dual knobs for on/off and volume

* Adjustable and soft padded headband

* Powered by 4x 1.5v AAA batteries

Attenuation Data:

Frequency(Hz)

125

250

500

1000

2000

3150

4000

6300

8000

NRR

Mean Attenuation(dB)

10

17

32

37

45

43

42

46

63

 

Standard Deviation(dB)

6.0

3.2

8.2

5.9

6.3

6.4

7.3

9.2

7.5

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