HEADPHONES

ENGLISH ENGLISH SoUND Whisper Quiet Office Vacuum Cleaner, Hair Dryer Food Blender Garbage Truck, Cement Mixer Power Saw, Drill/ Jackhammer Rock Concerts (varies) NoISE LEVEL (dB)  30  50-60 70 85-90 100 110 110-140 EFFECT Very quiet Comfortable hearing levels  are under 60 dB Intrusive; interferes with telephone conversations 85 dB is the level  at which hearing  damage (8 hrs.) begins No more than 15 minutes of  unprotected exposure recommended for sounds between 90-100 dB Regular exposure to sound over 100 dB of more than 1 minute risks permanent hearing loss Threshold of pain begins around 125dB  *Chart information obtained from a typical person can safely listen to an iPod for 4.6 hours per day at 70% volume.”  “…knowing the levels one is listening to music at, and for how long is extremely important.” From  Get the most out of your equipment and enjoy great audio performance even at safe levels.  Our headphones will allow you to hear more details at lower volume levels than ever before. physiology of the Ear and Hearing For additional information on what loud  noises do to your ear and chart sponsibly Do not use headphones when it’s unsafe to do so – while operating a vehicle, crossing streets, or during any activity or in an environment where your full attention to your surroundings is required. It ‘s dangerous to drive while wearing headphones, and in many places, illegal because  it decreases your chances of hearing life-saving sounds outside of your vehicle, such  as another car’s horn and emergency vehicle sirens. Please avoid wearing your headphones while driving. Use one of Monster’s FM transmitters  to listen music..