3
EN
MMX 300 PRO — Gaming Headset
Thank you for purchasing the MMX 300 PRO
gaming headset with STELLAR.45 drivers
from beyerdynamic.
Please take some time and read this information
carefully before using the product.
SAFETY INSTRUCTIONS
Risk of injury
� We would like to point out that an excess of
high volumes and long periods of liening
may cause hearing damage. Hearing defects
always conitute an irreversible impairment
of hearing ability.
� If you suer from tinnitus, do not use head-
phones, or reduce the volume.
� According to regulations to protect
employees again damages caused by
noise and vibrations, please follow these
inructions:
Sound pressure level Period of liening
at 85 dB max. 8 hours
at 88 dB max. 4 hours
at 91 dB max. 2 hours
at 94 dB max. 1 hour
at 97 dB max. 30 minutes
at 100 dB max. 15 minutes
� When connecting the headphone, please
ensure that the volume is turned down to
minimum. Adju the volume aer putting
on the headphone.
� When wearing wired headphones, avoid
sudden movements. You could seriously
injure yourself, especially if you have any
piercings or wear earrings or glasses, etc.
that can get caught in the cable.
Microphone
� Please make sure that you do not connect
the microphone to microphone inputs
supplying phantom power (12 - 48 V), as this
will damage the microphone.
Danger to life
� Headphones draically reduce perception of
external sounds. Using headphones in road
traic can be potentially dangerous. The
user’s hearing mu not be impaired to the
extent that it causes road safety risks. Please
also make sure that you do not use the head-
phones in traic, especially within an area of
potentially dangerous machines and tools.
� Fuhermore, avoid using the headphones
in situations where hearing mu not be
aected, especially when crossing a
railway crossing or at a conruction site.
Liability / intended use
� Do not use the headphones for any
application which is not described in this
product information.
� The company beyerdynamic GmbH & Co. KG
accepts no liability for damage to the
headphones or injury to persons caused by
careless, improper or incorrect use of the
headphones, or by use for purposes not
specified by the manufacturer.