Good to see you again Nick^. As for the whole SPL confusion with me apparently..Blame OSHA on that, when I looked at their website..>_>. Unless, their facts are presented as if a user has a high volume/normal and not low?...What I mean is, they're saying you should only listen to IEM's with a high SPL for a certain number of hours, depending on what that level is. Say 102 = 2 hours, 95 = 5 hours, etc. With my UE's for kids IEM's, the volume bar on my Ipod has to be raised about an inch or two, to get a good listening volume, if I turn the volume down to where the blue bar is not visible, you can't hear anything. That's not the case with my EP 630's, where I could leave the volume bar all the way down, and still here it as if it was turned up a little.
<br>
"Quote: OSHA has established the following noise exposure limits:
YOU SHOULD NEVER BE EXPOSED TO SOUND PRESSURE LEVELS ABOVE 115 dB(A).
For more information visit the OSHA website at
Occupational Safety and Health Administration - OSHA HOME PAGE.
The foregoing 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.
Do not use these earphones in any environment where a failure to
hear surrounding sounds could be dangerous. In no way should these
earphones be used while driving a car, biking, walking or operating
machinery.
Do not submerge or expose the earphones to water (see page 15 for
Earphone Care and Maintenance).
When using your earphones with an unfamiliar or unstable sound
system (airplane, public access ports, etc…) make sure volume is
low and is kept at a moderate level to prevent “break-in” bursts of
loud sounds.
Keep the Super.fi 3 earphones away from young children. This
product includes small parts and cables that may create a choking
hazard.
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"
http://www.in-ears.dk/dyn/files/prod...3%20Studio.pdf