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Beyerdynamic MMX300 Closed Back Gaming Headset with Replaceable Cable

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  • Powerful high end sound with pinpoint positional accuracy

  • Extreme comfort with soft full-size earpads

  • Connection to console / computer via 3.5mm jack / USB converter

Beyerdynamic MMX300 Closed Back Gaming Headset with Replaceable Cable

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Beyerdynamic MMX300

< The Beyerdynamic MMX300 is a pair of high end gaming headphones for the serious gamer best performing headset available.  Based on the highly successful and industry standard Beyerdynamic DT770 (as used by BBC Radio 1 DJs and guests), with the addition of an ultra high quality aviation class noise cancelling microphone and rather cool carbon fibre finish.  The MMX300 headset takes gaming audio to extremes, with a closed back design ensuring you can immerse yourself totally in the action without distraction from ambient noise and without annoying other people close by.

While the MMX300 is designed for gaming, it's studio headphone heritage shines through with high quality audio reproduction.  These headphones are very capable for many applications including listening to music and IP telephony (e.g. Skype), as well as gaming.

Super soft velour earpads and large over ear design ensures you can wear the Beyerdynamic MMX300 for hours at a time in supreme comfort.  The MMX300 offers a truly high end gaming experience.

Supplied two connectivity options, the MMX300 can be directly connected to a PC and Mac via USB (you just plug the headphones in and the computer detects the headset like a soundcard), or alternatively the headset can be connected via 2x 3.5mm jack plugs (one plug for headphone input and the other for microphone output).  Usefully the MMX300 offers the ability to mute the microphone and control the volume of the headphone audio via the supplied USB converter.

Get the Beyerdynamic MMX300 headset today and upgrade to high end gaming audio!

Beyerdynamic MMX300 Specification


  • Transducer type     dynamic
  • Operating principle     closed
  • Nominal frequency response     5 Hz - 30,000 Hz
  • Nominal impedance     32 Ω
  • Nominal SPL     96 dB
  • Nominal THD     < 0.2 %
  • Power handling capacity     100 mW
  • Sound coupling to the ear     circumaural
  • Isolation from outside distractions     18 dBA
  • Headband pressure     3.5 N
  • Weight without cable     380 g
  • Cable     2.5 m, straight


  • Transducer type     Condenser (back electret)
  • Polar pattern     Cardioid
  • Frequency response     30 Hz - 18,000 Hz
  • THD     0.2 % at f = 1 kHz
  • Max. SPL     120 dB
  • Length microphone boom     150 mm
  • Connection     3.5 mm stereo jack plug

USB Converter:

  • Connection PC/MAC     1 x USB Type A(M)
  • Cable length     1.5 m
  • Audio connections     2 x 3.5 mm stereo jacks
  • Operating systems     Windows®, MAC
  • Dimensions l x w x h     76 x 30 x 16 mm
  • Weight incl. cable     45 g

Package Includes

  • 1x Beyerdynamic MMX300 Headphones
  • 1x USB converter
  • 1x High quality carry case


Product TypeHeadphones
Feature KeywordClosed, Comfortable, Gaming, Microphone, Noise Isolation, Over Ear, Over Head, Skype, Volume Control
Recommended UseGame console, PC multimedia
Manufacturer Warranty5 Years
Included AccessoriesUSB sound card
Part Number485918
Headphone Fit TypeOver Ear
Headphones TypeHeadset
Cable EntrySingle Sided
Cable Length2.5m
Connector AngleStraight
Connector TypeHeadphones (3.5 mm stereo jack)
Detachable CableNo
Driver SizeNo
Driver TypeDynamic
Connectivity TechnologyWired
Earcup DesignClosed Back
Frequency Response5Hz - 30kHz
Headphones Form FactorOver Ear
Headphones TechnologyDynamic
Number of DriversNo
Sound Isolation (dB)No
Sound Output ModeStereo
Smartphone CompatibilityNo
Smartphone ControlsNo
Total Harmonic Distortion (THD)<0.2%
Wireless TechnologyNo

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