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IE Professional Reference Earphones
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User Guide
Listen Responsibly!
Hearing health is critical to your enjoyment
of music and to your quality of life. Protect
your hearing by listening to your music in a
responsible manner that protects your long-term
hearing health.
Please review and consider the following
Occupational Safety Health Administration
(“OSHA”) guidelines regarding the maximum
time exposure to sound pressure levels before
hearing damage may occur.
OSHA has established the following noise
exposure limits:
Sound Pressure
Level dB(A)
Permissible Noise
Exposure Duration
(per day)
90 8 hours
95 4 hours
100 2 hours
105 1 hour
110 30 minutes
WARNING: Exposure to sound pressure levels
above 115dB(A) for even short periods of time
can cause permanent hearing damage.
The preceding OSHA exposure levels should
be considered maximum limits. Compliance
with the OSHA limits will not provide you
with protection from potential hearing loss.
Accordingly, we recommend never exceeding
50% of the permitted volume on your audio
playing device and limiting your use of
headphones to durations of one hour or less per
day. Decibel levels of 85 dB(A) are dangerous
to your hearing and may cause hearing loss.
For more information visit the OSHA website at
www.osha.gov.
