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Lightly used headset; includes all original included items and packaging. Unit has been fully tested and professionally cleaned.

We are an authorized Beyerdynamic Dealer

High-tech for your ears. Extremely clear, three-dimensional and powerful sound. More and more professional gamers are raving about the MMX 300 Premium Gaming Headset. Amazing sound, outstanding speech intelligibility and extreme comfort will give you an unbeatable advantage against the competition. Originally developed as a headset for the private aviation industry, the MMX 300 has been perfected to meet the specific requirements of intense gaming sessions. The design has been streamlined, the materials are extremely high quality and the workmanship is second to none.
In short, this is the ultimate in gaming comfort - made in Germany.

Dimensional sound
It's all in the details. The recording studio-quality driver system ensures clear and powerful sound reproduction at decisive points in the game.

It's all in the details. And if you can hear them, you'll be the champion. Take the right action at the right time. Hear absolutely everything, even the faintest of sounds. Be prepared and always one step ahead. Hearing more than everyone else will put you ahead of the game! The MMX 300's impressive audio quality is the product of over 90 years of audio experience. The headset confidently combines technology from the private aviation industry and professional recording studios to deliver a crystal-clear sound with impressive three-dimensionality and powerful bass response.

Professional voice transmission

Successful gaming is all about teamwork. You can only succeed if you have the right tactics, executive everything with precision timing and can properly understand each other so that you can come up with the perfect plan. An extremely high-quality condenser microphone ensures that your voice is always transmitted loud and clear. The cardioid polar pattern and pop shield successfully suppress disturbing background and ambient noise, ideal for noisy environments and tournament situations.

Maximum control

With the integrated cable remote control, you have everything under control, even in hectic tournament situations. All important features for example for muting the microphone, adjusting the volume, accepting a call and managing different media as well as the temporary mute button are always within reach. The control is in your hands.

Thanks to the adapter cable included as standard, the MMX 300 headset can be used on a PC or for gaming sessions on a notebook or console, which have a 3.5 mm combi-jack.


  • Transducer type Dynamic
  • Operating principle Closed
  • Nominal frequency response 5 - 35.000 Hz
  • Nominal impedance 32 Ω
  • Nominal T.H.D 96 dB
  • Klirrfaktor < 0,2%
  • Power handling capacity 100 mW
  • Sound coupling to the ear Circumaural
  • Ambient noise attenuation approx. 18 dBA
  • Nennandrückkraft approx. 3,5 N


  • Transducer type Condenser (back electret)
  • Polar Pattern Cardioid
  • Frequency response 30 - 18.000 Hz
  • Length mic boom approx. 150 mm


  • Weight without cable 294 g
  • Length and type of cables 1.2 m (3.9 ft) cable with remote control
  • 1.2 m (3.9 ft) Y-extension cable for PC single-sided
  • Connection Gold-plated mini stereo jack plug (3.5 mm) & 1/4" adapter (6.35mm), extension cable with 2 separate mini jacks for line and microphone
  • Accessories included detachable cable with remote control, extension cable for PC, Premium carrying bag

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.

Listed6 months ago
ConditionExcellent (Used)
Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.learn more
  • MMX 300 2nd Generation Multimedia Headphones
Made In
  • Germany
Color Family
  • Black

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Montréal, Canada
Joined Reverb:2018

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