hearing protector

hear·ing pro·tec·tor

(hēr'ing prŏ-tek'tŏr)
Occlusive devices for the external auditory canal made of pliable material or fluid (usually glycerin)-filled ear muffs for protection against noise-induced hearing loss.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
To make it easier to meet the protection requirement, every mortar crewmember is now authorized an "earmuff' hearing protector headset, NSN 4240-01-538-7970, for $16.95.
Mean elevation errors were subjected to a similar analysis, revealing a significant main effect of hearing protector, F(2, 10) = 74.20, p [less than] .05.
One being looked at is a combination hard-hat, face protector, hearing protector and communications package for fire fighters and mine workers.
Each system comes with a projector, cart, tablet, camera, gaming software and one Peltor Sport Tactical 500 electronic Bluetooth hearing protector.
The ideal hearing protector should not block all sound (overprotection), but rather reduce hazardous noise levels while still allowing a worker to hear the sounds that are critical to the job: coworkers, warning signals and equipment maintenance sounds.
Effectiveness of hearing protector devices in impulse noise verified with transiently evoked and distortion product otoacoustic emissions.
Three hearing protector conditions (unoccluded, earplugs, and earmuffs) were combined factorially with three source elevation conditions (upper hemisphere, pen-horizontal region, and lower hemisphere) for a total of nine experimental conditions.
Tying this all together, if you're working with a circular saw screaming at 110 db, you need a hearing protector rated at 25 NRR or more to bring your ears into the safe range (110 db minus 25 db equals 85 db).
The folks at Peltor have designed some great hearing savers and one of the best is the Peltor Sport Tactical 500 Electronic Hearing Protector. Rated for 26 NRR, these hearing protectors feature proprietary 3M SMART technology which suppresses damaging noise above 82 decibels--such as gunshots--while amplifying low-level sounds.