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Below is a chart to help you better understand the causes and effects of different sound levels. The noise levels are rated in dB (decibels)
Environmental Noise
Noise Level dB
Quiet Library
30 dB
Normal Conversation
60 dB
City Traffic (inside car)
85 dB
Power Saw at 3'
110 dB
Jet Engine at 100'
120 to 140 dB
Sources: http://www.drf.org , The Consumer Electronics Association http://www.ce.org. World Health Organization http://www.who.int, Environmental Protection Agency http://epa.gov , and the Occupational Safety &
Health Organization http://OSHA.gov
Caution
DO NOT operate any motor vehicle or heavy machinery while listening to or wearing your headphones. Doing so is not only dangerous to you or others but
illegal in many states. Listening or wearing headphones reduces your ability to hear sounds around you such as emergency vehicle sirens or the horn from
another motorist.
It is not recommended to use headphones when cycling, running or walking in heavy traffic areas, where your full attention is necessary for your safety.
Always use your headphones responsibly in every situation.
Safety Instructions
Read all instructions before using your headphones.
Always keep the instructions for future reference.
Adhere to all warnings, cautions and suggestions in this owner's and product guide.
Possible Effects of Exposure
No Effect - Normal
Comfortable Hearing
Maximum Level before hearing damage begins. OSHA recommends no more than 8 hours of exposure
to sound levels of 90 dB daily.
Permanent Hearing Loss likely due to prolonged unprotected exposure.
At 125 dB the human ear begins to experience pain that can lead to permanent hearing loss even during short
unprotected periods.
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