Garage
Shop

See all parts that fit your 2019 Flex

Beyerdynamic MMX 300

Closed-Back Circumaural Headset with Noise-Cancelling Mic and Aviation Based Technology

Beyerdynamic
Shop all Beyerdynamic
Product videos
highlight-star-icon

• Cardioid Condenser Microphone
• USB Converter with Volume Control and Microphone Mute Function
• Spring Steel Headband with Soft Ear and Headband Pads

Learn more about the mmx300-v1

Good news and a little bad...

This item has been discontinued

But you may be interested in the newest model that's available.

mmx300 thumbnail

Beyerdynamic MMX 300

OUR PRICE: $349.99

View item
NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
72-5601 main

Metra 72-5601

Install New Speakers in select 1998-2024 vehicles from Ford, Lincoln, Mercury

7
-10.01%

$8.99

List price $9.99

SA68 main

Scosche SA68

Add 5-1/4" or 6-1/2" Speakers to Factory 6" x 8" Mounting Locations for select 1950-2025 vehicles from Ford, Mercury, Mazda

39
-46.70%

$7.99

List price $14.99

P1683 main

Rockford Fosgate Punch P1 P1683

260W Peak (130W RMS) 6x8" Punch Series 3 Way Coaxial 4-ohm Speakers

85
FRING68 main

NVX FRING68

Universal 6x8" or 5x7" Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 2)

12
-46.68%

$15.99

List price $29.99

51KSC3504 main

Kicker KSC35 (51KSC3504)

200W Peak (100W RMS) 3.5" KS Series 2 Way Coaxial 4-ohm Speakers

4
-11.11%

$79.99

List price $89.99

51KSS6804 main

Kicker KSS68 (51KSS6804)

500W Peak (250 RMS) 6x8" KS-Series 2-way 4-ohm Component Speaker System (KSS6804)

-10.71%

$249.99

List price $279.99

R1T-S main

Rockford Fosgate PRIME R1T-S

160W Peak (80W RMS) 1" PRIME Series Mylar Balanced Dome Car Tweeters

34

JBL SHOCK WAVE 150W65 (JBLSPKSW150W65)

600W Peak (300W RMS) 6.5" Shock Wave Series 4-ohm Midrange Speakers

5
-7.70%

$119.95

List price $129.95

Product Highlights


• Cardioid Condenser Microphone
• USB Converter with Volume Control and Microphone Mute Function
• Spring Steel Headband with Soft Ear and Headband Pads

Description


Beyerdynamic brand icon

Authorized dealer

Simply the finest in gaming headsets, the MMX 300 offers users a range of technological features beyond the expectations of any. Based on technology used in Beyerdynamic's legendary HS 300 aviation headsets, the MMX 300 features an acute noise-cancelling microphone that captures only a user's voice while virtually eliminating environmental interference. Featuring a comfortable and durable spring steel headband with soft, replaceable ear and headband pads the MMX 300 is designed for long gaming periods.

Product Features: Headphone
  • Closed headphone for acute sound isolation and environmental noise cancellation
  • Ergonomic design and soft velour earpads ensure high comfort for prolonged use
  • Expansive frequency response articulates resonant bass and immaculate tremble
  • Rugged spring steel headband with soft, replaceable ear and headband pads
  • Single-sided cable for reduced cable clutter
Technical Specifications: Headphones
  • Dynamic headphone drivers
  • Frequency response: 5Hz-30,000Hz
  • Impedance: 32 Ohm
  • Sensitivity: 96dB
  • THD: <0.2%
  • Power handling capacity: 100mW
  • Circumaural, over-ear design
  • 1/8" (3.5mm) mini stereo jack plug
  • Cable length and type: 8ft, 2-4/9in
Product Features: Microphone
  • Noise cancelling microphone
  • Cardioid condenser microphone (back electret)for maximum noise cancellation and voice capture
  • Included USB converter with volume control and microphone mute function for optimized user control
Technical Specifications: Microphone
  • Condenser microphone
  • Cardioid polar pattern for optimized noise attenuation
  • AB power supply
  • Frequency response: 30Hz-18,000Hz
  • THD: 0.2%
  • Sensitivity: 120dB
  • Connection: 1/8" (3.5mm) mini stereo jack
  • Authorized Internet Dealer
  • 2-Year Manufacturer's Warranty
  • Part Number: 485918
Includes USB Converter for easy connection to MAC and PC

Product history:

Beyerdynamic MMX 300-2 thumbnail
(newest, current model)
Beyerdynamic MMX 300 thumbnail
(previous model, replaced by Beyerdynamic MMX 300)

Loading...
REF507CF_2_MET-825601_2 main

2 Infinity REF507CF (INFSPKRF507CFUS) w/ Adapter Plates

390W Peak (130W RMS) 5.25" Reference Series 2-way 3-ohm Component Speaker System with Speaker Adapter Plates

3
-12.14%

$477.88

List price $543.88

Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

124
-33.36%

$79.96

List price $119.99

DMH-1800NEX main

Pioneer DMH-1800NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready

3
-19.05%

$339.99

List price $420.00

UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth

44
-16.69%

$149.95

List price $180.00

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

28
-10.53%

$84.99

List price $94.99

Limited time!
DMH-W3050NEX main

Pioneer DMH-W3050NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)

1
-24.20%

$469.99

List price $620.00

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

12
-9.16%

$109.00

List price $119.99

Club 322F main

JBL Club 322F (SPKCB322FAM)

150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers

1
-27.29%

$79.95

List price $109.95

Specifications & Details


Headphone Design
Headphone Type
Enclosed-Ear
Headband Type
Over the Head
Specifically For
Home/Portable
Headphone Application
Gaming
General Features
Noise-Canceling
Yes
Built-In Microphone
Yes
Headphone Connection
Corded
Volume Adjustment
Yes
Audio Features
Driver Type
Dynamic
Impedance
32 ohm
Sensitivity
96 dB
Frequency Response
5 - 30,000 Hz
Warranty and Return Policy
Parts Warranty Duration
2 years
Labor Warranty Duration
2 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

MMX 300

Weight:

0.90lbs

Internal SKU:

mmx300-v1

Internal Product ID:

45319

Product and How-to Videos


Customer Ratings & Reviews


Beyerdynamic MMX 300 thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found

HD 201 small

Sennheiser HD 201

Over-Ear Lightweight Professional DJ Closed-Back Stereo Headphones

(13)

$24.99

List price $29.95

SR60e small

Grado SR60e

Prestige Series Wired On-Ear Open-Back Headphones

(1)

$69.00

List price $79.00

Ear Force XTC Talkback Cable small

Turtle Beach XTC Xbox 360 Talkback Cable

2.5mm Connector Cable Headset Microphone for Xbox LIVE Chat

(2)

$11.95

List price $14.95

CC4001U small

Clarion CC4001U

Compact Rear Vision Color Backup Camera with CMOS Sensor Technology

(2)

$99.99

List price $199.99

FIIO-X1-SILVER small

FiiO X1 (Silver)

Portable High Resolution Lossless Music Player

(6)

$79.99

List price $99.99

PX22 small

Turtle Beach TBS323001

Over-Ear Gaming Headset Stereo Headphones with Inline Amplifier, Microphone and Volume Adjustment

$71.99

List price $79.95

FIIO-X1-GOLD small

FiiO X1 (Gold)

Portable High Resolution Lossless Music Player

(3)

$79.99

List price $99.99

SBH20 White small

Sony SBH20 - White

Wireless NFC Earbuds Bluetooth 3.0 Stereo Headset In-Ear Earphones w/ Built-In Smartphone Microphone

(8)

$29.99

List price $69.95

iAHB64R small

iLive iAHB64R (Red)

Wireless Bluetooth Over-Ear Headphones Stereo Headset with Mic

$30.49

List price $59.99

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2019 Ford Flex

2010 Scion tC

2024 Ford Explorer

2023 Audi A3

2014 Cadillac XTS

2019 Ford Transit-350 HD

2014 Cadillac SRX

2012 Lexus CT200h

1981 Dodge St Regis

2007 Ford Taurus

Vehicle
Store
Delete

2002 Harley Davidson FXSTD Softail Deuce

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.