Hocks Noise Braker®
Hear Today ~ Hear Tomorrow
Hocks Hearing Healthcare Products
3930 S Kelly Avenue
Portland, OR 97239-4315
United States
ph: 503-274-9482
fax: 503-222-3539
alt: 1-800-654-6257
contactu
Test Data
Hocks Noise Braker® Test Data
For Custom Noise Braker® test results click the link below:
Reproduction of
sound attenuation data evaluation
from Jack Vernon, Ph.D., University of Oregon Health Sciences Center,
sound attenuation data evaluation
from Jack Vernon, Ph.D., University of Oregon Health Sciences Center,
test results from a US type inspection, conducted in State College, Pennsylvania by Michael & Associates, Inc., performed in accordance with The American National Standards Institute,
and 
test performed by Sport Critt Loisirs
Custom Hocks Noise Braker® Test Data
For Standard Noise Braker® test results click the link below:
Test data made by two different companies on our Standard Hocks Noise Braker® plug, Inspec International Ltd for European style testing, and Michael & Associates, Inc,
and test performed by Sport Critt Loisirs
Hocks Noise Braker® Standard Test DataHocks Hearing Healthcare Products
3930 S Kelly Avenue
Portland, OR 97239-4315
United States
ph: 503-274-9482
fax: 503-222-3539
alt: 1-800-654-6257
contactu