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Comfortable
Pure silicone material for low pressure inside the ear Reusable use for long time in good shape
Humidity and sweat resistant, helps preventing from moisture ramp up in the ear canal
3 layers design allows fully attach to ear canal
Design to fit most ear canal with premium comfort and protection 


Frequency [Hz] 125 250 500 1000 2000 4000 8000
Sound attenuation Mf [dB] 30.9 28.8 31.4 33.2 33.6 29.6 35.2
Standard deviation Sf [dB] 4.9 5.0 6.2 6.1 4.3 4.6 5.6
APV Mf-Sf [dB] 26.0 23.7 25.2 27.1 29.3 25.0 29.6

 

SNR=28dB H=28dB M=27dB L=26dB
SNRm 32.0dB Hm-31.2dB Mm-31.5dB Lm-30.4dB
SNRs=3.8dB Hs=3.6dB Ms=4.5dB Ls=4.7dB

 

EN 352-2:2020 SNR 28dB

ANSI S3. 19-1974 Noise Reduction Rate
NRR 20dB