Features and Benefits:
+ Foldable headband easy for carrying & storage, save shipping cost.
+ Unique shell design guarantee offer high noise reduction rating.
+ Light weight, comfortable & effective ear muff range.
+ Wide cushion for comfort.
+ Suitable for Loud Machinery Power tools, Loud Music, Noise places.
EN 352-1:2002 SNR 31dB
ANSI S3. 19-1974
Noise Reduction Rate NRR 26dB
AS/NZS 1270:2002
SLC(80) 30.5dB CLASS 5
| Frequency [ Hz ] | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
| Sound attenuation Mf [ dB ] | 15.8 | 19.4 | 31.2 | 40.4 | 37.4 | 37.0 | 34.8 |
| Standard deviation Sf [ dB ] | 2.7 | 1.6 | 2.9 | 2.4 | 3.2 | 3.0 | 2.5 |
| APV Mf - Sf [ dB ] | 13.1 | 17.8 | 28.3 | 38.0 | 34.1 | 34.0 | 32.3 |
| SNR-value = 31dB | H-value = 35dB | M-value = 29dB |
L-value = 20dB
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