Noise-cancelling Headphones 3m Peltor X5a

The groundbreaking technology used for the 3m peltor x5 ear defenders delivers an extremely high performance. Can also be worn with a protective helmet.- Frequency: 4000hz- mean attenuation: 43,0 db- standard deviation: 2,8 db- expected attenuation: 40,2 db- weight: 285 g

The groundbreaking technology used for the 3m peltor x5 ear defenders delivers an extremely high performance. Can also be worn with a protective helmet.- Frequency: