Ear protector. ear protectors are from the ear defender type, comprising two cups that adapt to the ear with pads and foam filling to reduce noise. the cups are attached by a rigid plastic that harness, maintaining a constant pressure and ensuring propergrip. they provide the user with comfortable and effective protection for high-noise environments. ear protectors are manufactured in compliance with the en 352-1 standard. the use of ear protectors is recommended for all jobs which exceed 80db (a) or peaks up to 135db.