Unique features
Technical data
Features:
1. Durable.
2. High-quality audio filters.
3. Secure fit ear sleeves along with various sizes of ear tips.
Sound attenuation
DR-15 SNR H M L
Mean attenuation (dB)
16 16 13 13
Standard deviation (dB)
3 3 3 3
APV (dB)
13 13 10 8
Frequency (Hz)
63 125 250 500 1000
Mean attenuation (dB)
6.8 10.4 12.2 13.9 16.1
Standard deviation (dB)
3.0 3.0 2.2 3.7 2.4
APV (dB)
3.8 7.4 10.0 10.2 13.7
Frequency (Hz)
2000 4000 8000
Mean attenuation (dB)
22.9 19.0 20.3
Standard deviation (dB)
3.9 3.8 5.0
APV (dB)
19.0 15.2 15.3