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protection attainable against impulsive noise, such as gunfire.
EN 352
IT-49 ISOtunes LINK 2.0 EN 352 is certified according to the
product standards EN 352-1:2002, EN 352-6:2002, and EN 352-
8:2008.
Haven Technologies, INC. hereby declares that IT-49 ISOtunes
LINK 2.0 EN 352 conforms to the regulation (EU) 2016/425 and
the directive RED 2014/53/EU, which can be accessed
at www.ISOtunes.co.uk/pages/product-manuals
B1: Frequency (Hz)
B2: Mean Attenuation (dB)
B3: Standard Deviation (dB)
B4: Assumed Protection Value (APV) (dB)
B5:
H = Hearing protection estimation for high
frequency sounds (f
≥
2000Hz)
M = Hearing protection estimation for medium
frequency sounds (500 Hz < f < 2000Hz)
L = Hearing protection estimation for low
frequency sounds (f
≤
500Hz)
SafeMax™ Technology
ISOtunes® LINK 2.0 incorporates SafeMax™ Technology,
therefore its volume output has been limited to 85 decibels (IT-
48) and 79 decibels (IT-49). ISOtunes® devices with SafeMax™
Technology are OSHA and ANSI compliant and, when designated,
meet the European Safety Standard EN352.
Cleaning and Maintenance
• Clean your ISOtunes LINK 2.0 by gently wiping
them with a clean, damp cloth with mild soap.
• Do not immerse the hearing protector in water.
• Do not use abrasive cleaning solvents to
clean the hearing protector.
If the hearing protector gets wet from sweat or rain, please
discontinue use and turn the earmuff outwards and allow to dry.
The ear cushions and foam liners should be regularly inspected
for deterioration, cracking, or other damage.
Materials:
• Ear Cushion: PU + Memory Foam
• Casing: ABS
• Key Pad: Silicon
• Headband: Stainless Steel + TPE
• Headband Bracket: ABS
This product comes with a Lithium Battery Pack. The Battery
Pack can be recharged by plugging the one end of the included
cable into a USB outlet and the other end into the product’s
charging port located underneath the rubber cover on the
bottom of the left earcup.
The batteries can be checked by removing the battery cover.
Slide the latch to release the door.
The lithium battery pack can be removed from the product and
replaced. Lift the battery out. Unplug the battery pack cable. To
reinstall, put the battery pack into the compartment and plug in
the Battery pack cable into the battery pack port. Ensure the
battery pack cable is plugged into the battery pack cable port for
proper product performance.
Alternatively, three AAA batteries can power the device.
Completely remove the Lithium Battery Pack from the product
and install the AAA batteries as indicated on the product. Do not
attempt to use the Lithium Battery Pack and AAA batteries at the
same time.
WARNINGS
Performance may deteriorate with battery use. The typical
period of continuous use that can be expected from ear-muff
