Hocks Hearing Healthcare Products

Hocks Noise Braker® Standards Frequency Test

The following test data was made on our Standard Noise Braker plug.

The tests measured noise attenuation (reduction) at varying frequencies. Testing the frequencies is similar to comparing the noise reduction while you play the key of C at varying locations on a piano keyboard.

Our proprietary Hocks Noise Filter® is used in other products, and while attenuation data should be similar, the test data on this site is for Hocks Noise Braker® units only.



Sport Critt Loisirs

The following test was performed and provided by Sport Critt Loisirs, performed according to the European Union type inspection;

compliant with Directive 89/686/EEC.

 

Michael & Associates, Inc.

The following test results are from a US type inspection, conducted in Pennsylvania by Michael & Associates, Inc. The testing took place from August 9 to August 12, 2008.

Testing was performed in accordance with The American National Standards Institute (ANSI). A copy of the full report is available upon request. All numbers (unless otherwise noted) are in decibels (dB).

NRR 15

  

Hocks Noise Braker® Standards are mass produced ear tips with the Hocks Noise Filter® inserted into the body.

The soft accordion style tip has three flanges that seal the ear from sound and keep the plug in the ear, leaving only one way for sound to enter the ear - through the Hocks Noise Filter®, thus allowing the filter to do it's job.

The effectiveness of Noise Braker Standards depends on how well the ear is sealed. This can change depending on the size and shape of a person's ear. Because the Standards are mass produced, they are lower in cost than Custom Noise Brakers.



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