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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 82 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, RoHS10. SNR: 26dB.
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 |
Shooting Electronic ear muff (with input Jack)