- Contact Person : Mr. tao jason
- Company Name : Ningbo Beilun Gillsen Electronic Co., Ltd.
- Tel : 86-574-86903922
- Fax : 86-574-86903559
- Address : Zhejiang,Ningbo,No.88 Shekouyang Rd, Hedongcun, Xiapu street, Beilun zone, Ningbo, Zhejiang
- Country/Region : China
Model EE161B electronic hearing protector/ earmuff/ ear protector
1. Protect your hearing from harmful noises, but also allow you to hear normal conversation. 2. Weak sounds can even be amplisfied, so you hear them better than you would without electronic ear muffs.
3. Immediately attenuated the noises above 85 dB. 4. On/Off switch with volume control on both cups. 5. Soft, wide and foam ear cushions and individually headband provide an even and consistent distribution of pressure around the ears for the best.
6. Powered by four AA batteries (not included). 7. Ideal in shooting, hunting, industrial training and many other applications. 8. Receiving voice at frequency: 400 to 4, 000Hz making voice clearer9. Certificate: CE, RoHS, EN352-110. SNR: 25dB.
11.Low profile shape
ATTENUATION DATA , NRR
Overall A Weighted Level=81
OSHA Adjusted NRR=21
Frequency HZ | 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
Mean Attenuation(dB). | 1.0 | 15.5 | 22.2 | 24.6 | 33.7 | 32.4 | 29 | 39 | 39.3 |
Standard Deviation(dB) | 4.3 | 2.5 | 2.6 | 2.6 | 3.7 | 2.9 | 1.9 | 3.6 | 3.3 |
Model EE161B electronic hearing protector/ earmuff/ ear protector
