SOUL SL100 SL100UB Manual Do Utilizador

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) 

  Quiet Library 

   30 dB 

No Effect - Normal

  Normal Conversation 

   60 dB 

Comfortable Hearing

  City Traffic (inside car) 

       85 dB 

Maximum Level before hearing 

   

 

 

damage begins. OSHA 

   

 

 

recommends no more than 8   

 

 

 

 

            

 

 

hours of exposure to sound levels  

 

 

 

 

              

 

 

of 90 dB daily.

  Power Saw at 3’ 

  110 dB 

Permanent Hearing Loss likely due 

   

 

 

to prolonged unprotected exposure. 

  Jet Engine at 100’ 

120 to 140 dB             At 125 dB the human ear begins to 

   

 

 

experience pain that can lead to 

   

 

 

permanent hearing loss even 

   

 

 

during short unprotected periods.

 

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. 

2

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 Occupa-
tional Safety & Health Organization http://OSHA.gov