Protect Your Hearing
The Hocks Noise Braker® with an acoustic filter, is available as Custom Hearing Protection (shown), or as Standards, over-the-counter earplugs

One loud noise exposure can cause permanent hearing damage, resulting in a lifetime of hearing loss, tinnitus, or hyperacusis.

Invest in quality hearing protection. 

Carry earplugs and use them whenever your environment is too noisy.

If you are going to be exposed to loud noises on a constant basis, or encounter brief bursts of extreme noise (such as power tools or a gun shot), you need hearing protection.

The strength of hearing protection is shown as NRR (noise reduction rating).

The NRR indicates the average number of decibels sound will drop with hearing protection. The actual number that decibels will drop varies greatly, depending on the pitch (the highness or lowness of sound) and volume.

With filtered plugs, like the Hocks Noise Braker®, the actual amount of sound reduction increases as volume increases. The amount of sound that is filtered out depends on the volume. As the noise level increases, so does the amount of hearing protection.

Protect your hearing before suffering a hearing loss!
Earmuffs

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

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

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®

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.

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 perception                                                          10                             Just audible
Leaves rustling; very soft music                                                        30                             Very quiet                  
Living/dining/bedroom                                                                        30                        
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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