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Protect your hearing before suffering a hearing loss!
Earmuffs
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Earmuffs are worn over the ears and function consistently.

They have a NRR of up to 30 dB, and may be worn with other ear plugs for even greater sound protection.

Custom Solid Earplugs
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Custom ear plugs are made from an impression of an individual person's ear for an exact fit.

They function consistently and have a NRR of up to 31 dB.

Disposable Earplugs
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Disposable ear plugs are made of foam or other soft material. Actual noise reduction varies greatly between people, depending on individual ear shape, determining how well the plug fits.

Hocks Noise Brakers®
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Hocks Noise Brakers®, with an acoustic filter, do not block sound; they let it in at a reduced volume. Hear conversation while protecting your hearing.

Available as Standards (shown) or custom earplugs.

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Common Activities
Showing Decibel (dB) Levels
and Typical Physical Responses

 

Activity                                                                        Approx. dB Level       Typical Response  

 

Threshold of hearing                                                                       0                Not audible
Threshold of sound perce                                                             
10                Just audible
Leaves rustling; very soft
; Living/dining/bedroom                      30                Very quiet                        
Light car traffic; noisy office; normal conversation                     60                Speech interference
Loud conversation; roadside traffic; Restaurant; vacuum            70                Annoying, with elevated  

                                                                                                                        speech interference

Average factory                                                                             85                Very annoying

             Permanent damage of auditory nerves usually commences at about 90 dB


Busy city street; motorcycle; lawn mower; screaming child        90              Can damage hearing after 8 hrs of exposure per day      

Jet take off; train horn; jackhammer; diesel truck                       100              Can damage hearing after 2 hrs of exposure per day

Squealing pigs; inboard motor; typical night club                       110              Maximum vocal effort; 30 min of exposure per day

Amplified rock music (volume varies)                                 110-130   30 - 3.75 minutes exposure per day

 

           Heavy destruction of auditory nerves and sharp pain are not uncommon


Car horn; propeller aircraft; air-raid siren                                    120          7.5 minutes exposure
Military jet; shotgun; hydraulic press                                          130          3.75 minutes exposure per day
Gun shot; jet engine taking off                                                     140         Danger level
Rocket launching                                                                          180         Danger


      At 150+ dB:  severe pain, immediate massive destruction of Auditory Nerves, and persistent ringing of the ears lasting for days is usually the result.  Ringing can become permanent.

     At this level of sound it won't take much, and you won't have to worry

about your hearing...  you won't have any!

What can be done?
The simplest solution is to use good hearing protection
before suffering a hearing loss.
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