Beats SOLO HD User Manual page 4

English
This decibel (dB) table compares some common sounds and shows how they
rank in potential harm to hearing.
SOUND NOISE LEVEL EFFECT
(dB)
Whisper 30 Very quiet
Quiet Office 50-60 Comfortable hearing levels
are under 60dB
Vacuum Cleaner,
70 Intrusive; interferes with
Hair Dryer telephone conversations
Food Blender 85-90 85 dB is the level at which hearing
damage (8 hrs.) begins
Garbage Truck, 100 No more than 15 minutes
Cement Mixer
of unprotected exposure
recommended for sounds between
90-100 dB
Power Saw,
110 Regular exposure to sound over
Drill/Jackhammer 100 dB of more than 1 minute risks
permanent hearing loss
Rock Concert (varies) ll 0-140 Threshold of pain begins
around 125 dB
*Chart information from http://www.nidcd.nih.gov/health/education/teachers/pages/common_sounds.aspx
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