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“… 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 www.cbc.ca/health/story/2006/10/19/music-earphones.html
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 
reference www.abelard.org/hear/hear.php#loud-music
Use Responsibly
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 to your 
mobile media devices instead  
(EN)
 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 
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  
This decibel (dB) table compares some common sounds 
and shows how they rank in potential harm to hearing 
SOUND
NOISE  
LEVEL (dB)
EFFECT
Whisper
30
Very quiet 
Quiet Office
50–60
Comfortable hearing levels  
are under 60 dB 
Vacuum Cleaner,  
Hair Dryer
70
Intrusive; interferes with 
telephone conversations
Food Blender
85–90
85 dB is the level at which 
hearing damage (8 hrs.) begins
Garbage Truck, 
Cement Mixer
100
No more than 15 minutes 
of unprotected exposure 
recommended for sounds 
between 90–100 dB
Power Saw,  
Drill/Jackhammer
110
Regular exposure to sound over 
100 dB of more than 1 minute 
risks permanent hearing loss
Rock Concerts  
(varies)
110–140
Threshold of pain begins  
around 125 dB
Chart information obtained from www.nidcd.nih.gov/health/education/
teachers/pages/common_sounds.aspx
Malleus
Cochlear Nerve
Stapes
Tympanic
Membrane
Auditory Canal
Cochlea
Incus
Vestibule
To Nose/Throat
Learn how to establish a safe listening level and review 
other important safety guidelines from the Consumer 
Electronics Association at www ce org  Important 
information on how to prevent Noise-Induced Hearing 
Loss (NIHL) and a comprehensive list of which noises can 
cause damage can be found on the Deafness Research 
Foundation’s website, www drf org 
Listen
Turn down the volume on your music player before 
putting on Inspiration headphones  
Note the “L” and “R” markings above the inside of each 
earcup  “L” is for the left ear  “R” is for the right ear 
Fold
Remove your headphone cable  Note the two folding 
hinges on the headband  Fold one side, then the other  
Apply pressure to the hinge, not the earcup, when folding 
Store
When not in use, always store your headphones  
in the case  
Keep headphone case closed, and store in a clean,  
dry environment 
Avoid storage in extreme heat or cold