25mm/30mm adaptor plug option
Features and Benefits:
+ Soft and wide sealing rings filled with a unique combination foam to offer optimum sealing and low pressure.
+ Generouos space inside cup to help the ears breathe thus improving comfort.
+ Professional earmuffs for durability and reliability.
+ Available in high visibility colors.
Suitable for Loud Machinery
Industrial Machines, Power tools, Loud Music, Noise places.
EN 352-3:2020 SNR 27dB
| Frequency [ Hz ] | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
| Sound attenuation Mf [ dB ] | 13.7 | 15.8 | 25.0 | 33.9 | 35.7 | 28.5 | 30.6 |
| Standard deviation Sf [ dB ] | 2.5 | 2.3 | 2.6 | 2.5 | 3.2 | 2.1 | 2.8 |
| APV Mf - Sf [ dB ] | 11.2 | 13.5 | 22.4 | 31.4 | 32.5 | 26.5 | 27.8 |
| SNR = 27dB | H = 30dB | M = 25dB | L = 17dB |
| SNRm 27.9dB | Hm = 31.5dB | Mm = 26.1dB |
Lm = 18.7dB
|
| SNR = 1.2dB | Hs H₁ = 1.6dB | Ms = 1.4dB | L₁ = 1.7dB |