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Important Monster
Performance and Safety Tips
Listen Responsibly
To avoid hearing damage, make sure that the volume
on your music player is turned down before connecting
your headphones. After placing headphones in / on
your ears, gradually turn up the volume until you reach
a comfortable listening level.
SOUND
Whisper
Quiet Office
Vacuum Cleaner, Hair Dryer
Food Blender
Garbage Truck, Cement Mixer
Power Saw, Drill/Jackhammer
Rock Concerts (varies)
Chart information obtained from www.nidcd.nih.gov/health/education/teachers/pages/common_sounds.aspx
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®
This decibel (dB) table compares some common sounds
NOISE LEVEL (dB)
EFFECT
30
Very quiet
50–60
Comfortable hearing levels are under 60 dB
70
Intrusive; interferes with telephone conversations
85–90
85 dB is the level at which hearing damage (8 hrs.) begins
100
No more than 15 minutes of unprotected exposure recommended
for sounds between 90–100 dB
110
Regular exposure to sound over 100 dB of more than 1 minute risks
permanent hearing loss
110–140
Threshold of pain begins around 125 dB
Noise levels are measured in decibels (dB), exposure
to any noise at or above 85 dB can cause gradual
hearing loss.
Monitor your use; hearing loss is a function of loudness
versus time. The louder it is, the less time you can
be exposed to it. The softer it is, the more time you
can listen to it.
and shows how they rank in potential harm to hearing.
4/20/12 5:20 PM
