Garage
Shop

See all parts that fit your 2003 Protege5

Beyerdynamic MMX 300 + Sonic Electronix Bonus Pack 3

Closed-Back Circumaural Headset with Noise-Cancelling Mic and Aviation Based Technology + Extended Warranty & Exchange Policy + 15% off Headphone Amp/DAC Coupon

Beyerdynamic
Shop all Beyerdynamic
EXCLUSIVE
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
• Extended 180 Day Exchange Policy
• 3-Year Sonic Electronix Warranty with Accidental Damage Protection
• 15% off Coupon for the Headphone Amplifer/DAC of Your Choice

Learn more about the mmx300_RD-CE0399N3A_180-day-exchange

We apologize

This item has been discontinued


Loading...
99-7505 main

Metra 99-7505 Dash Kit

Install a new Single-DIN or Double-DIN car stereo in select 1995-2006 vehicles from Mazda (Black)

7
-50.02%

$14.99

List price $29.99

70-7903 main

Metra 70-7903 Wiring Harness

Install a new car stereo in select 2001-2021 vehicles from Mazda, Fiat

18
UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth (SiriusXM Ready)

43
-16.69%

$149.95

List price $180.00

DCPA723W main

Dual DCPA723W

7” Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto

4
-16.67%

$239.99

List price $287.99

CS65C main

Crunch CS65C

600W Peak (120W RMS) 6.5" CS Series 2-Way 4-ohm Component Speaker System

28
-30.01%

$34.99

List price $49.99

Cerwin-Vega CV7BM

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth

12

$109.00

List price $109.99

Limited time!
TS-G6820S main

Pioneer TS-G6820S

500W Peak (80W RMS) 6x8" G-Series 2-way 4-ohm Coaxial Car Speakers

4
-23.09%

$49.99

List price $65.00

Pioneer DMH-2000NEX

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

2

$429.99

Product Highlights


• Cardioid Condenser Microphone
• USB Converter with Volume Control and Microphone Mute Function
• Spring Steel Headband with Soft Ear and Headband Pads
• Extended 180 Day Exchange Policy
• 3-Year Sonic Electronix Warranty with Accidental Damage Protection
• 15% off Coupon for the Headphone Amplifer/DAC of Your Choice

Description


Beyerdynamic brand icon

Authorized dealer

Beyerdynamic MMX 300

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. Beyerdynamic is so confident in their Gaming Headset, they offer a 5 Year Warranty to all customers buying it through an authorized dealer! It pays to shop with an Authorized dealer like Sonic Electronix!

Sonic Electronix Bonus Pack 3

Each Sonic Electronix Bonus Pack 3 is intended to help you get the most from your new headphones. The package for the Beyerdynamic MMX 300 Headphones gives you additional peace of mind thanks to the 3-Year Sonic Electronix warranty with accidental damage protection. We're also giving you an extended 180 day exchange policy just in case you don't absolutely love this player. To top it off, you can use the exclusive 15% off coupon on a select headphone amplifier/DAC or headphone accessory of your choice!



Beyerdynamic MMX 300

Closed-Back Circumaural Headset with Noise-Cancelling Mic and Aviation Based Technology
Quantity: 1

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
  • Upgraded black earpads over the previous model's gray earpads
  • Additional replacement earpads available Beyerdynamic EDT 770 VB
  • Rings and yokes are now manufactured in black mirroring the evolutionary change from the original MMX-300
  • Improved headband pad with additional support for lengthy gaming events and wearing comfort

Technical Specifications: Headphones

  • Transducer Type: Dynamic Drivers
  • Speaker Design: Closed Back
  • Frequency response: 5Hz-30,000Hz
  • Impedance: 32 Ohm
  • Sensitivity: 96dB
  • THD: <0.2%
  • Power handling capacity: 100mW
  • Circumaural, over-ear design
  • Ambient Noise Attenuation: 18 dBA (Approx.)
  • Headband Pressure: 3.5 N
  • Weight (with Microphone & Cable): 0.84 Pounds (380 Grams)
  • 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

Technical Specifications: Microphone

  • Type: Condenser Microphone
  • Operating Principle: Pressure Gradient
  • Polar Pattern: Cardoid
  • Power Supply: AB powering
  • Supply Voltage: 1.5-9V
  • Current Consumption: <0.5 mA
  • Nominal Impedance: Approx 1.5 KOhm
  • Open Circuit Voltage at F = 1 kHz
  • Frequency response: 30Hz-18,000Hz
  • THD: 0.2%
  • Sensitivity: 120dB
  • Connection: 1/8" (3.5mm) mini stereo jack
  • Authorized Internet Dealer
  • 5-Year Manufacturer's Warranty
  • Part Number: 485918

Sonic Electronix Bonus Pack 3 Includes:

3-Year Sonic Electronix on the Beyerdynamic MMX 300 Headphones
  • Coverage begins on date of purchase
  • Covers accidental damage
  • Does not cover entire 5 year manufacturer warranty
  • No hassle warranty that comes with all the bells and whistles and no hidden gotchas
  • Comes fully equipped with a 5-day service guarantee, 24/7 Online access to your warranty contract
  • Protection from ALL mechanical and electrical failures

Note: International Customers are responsible for all shipping, duties and taxes

15% off Coupon for the Headphone Amplifier, DAC or Accessory of Your Choice
Extended 180 Day Exchange for the Beyerdynamic MMX 300 Headphones
  • If you don't love your new high resolution music player, exchange them within 180 days no questions asked!
    • Only applies to the Beyerdynamic MMX 300 Headphones
    • Must be returned without physical damage in original packaging with all accessories
      • Defective products still eligible for standard 1 year exchange policy
    • Standard 60 day return policy still applies
Return to Top

Loading...
BV850ACP main

Boss Elite BV850ACP

6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera

5
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

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

122
-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

2
-16.67%

$349.99

List price $420.00

iLX-W650 main

Alpine iLX-W650

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

123
-5.72%

$329.95

List price $349.95

DMH-W4660NEX main

Pioneer DMH-W4660NEX

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

2
-20.00%

$599.99

List price $750.00

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

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

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
MPK 163.3 main

Hertz MPK163.3

600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System

2
-14.89%

$999.99

List price $1175.00

Specifications & Details


Headphone Design
Headphone Type
Enclosed-Ear
Headband Type
Over the Head
Specifically For
Home/Portable
Headphone Application
Gaming
Acoustic Principle
Closed
General Features
Noise-Canceling
No
Built-In Microphone
Boom Mic
Headphone Connection
Corded
Volume Adjustment
Yes
Jack Size
3.5mm
Jack Angle
Straight Jack
Included Adapters
1/4" Adapter
Detachable Cable
No
Color Shades
Black
Material
Metal
Plastic
Ear Cushion/Earbud Material
Velour
Protective Case
Softshell Case
Water Resistant
No
Foldable
No
Gaming Headphones
Compatible Systems
PC
Noise Cancelling Microphone
Yes
Detachable Microphone
No
Microphone Frequency Response
30 - 18000 Hz
Audio Features
Driver Type
Dynamic
Impedance
32 ohm
Sensitivity
96 dB
Frequency Response
5 - 30000 Hz
Audiophile
No
Built-in Amplifier
No
What is in the box?
Paperwork
User manual
Warranty/Registration card
Main Product
Beyerdynamic MMX 300 Gaming Headset
Warranty and Return Policy
Parts Warranty Duration
5 years
Labor Warranty Duration
5 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

MMX 300_RD-CE0399N3A_180 Day Exchange

Weight:

0.92lbs

Internal SKU:

mmx300_RD-CE0399N3A_180-day-exchange

Internal Product ID:

97984

Product and How-to Videos


  • Differences Between Headphone Acoustic Principles | Open, Closed, & Semi-Open
  • Headphones Based on Musical Preference | What Type of Listener Are You?

Customer Ratings & Reviews


Beyerdynamic MMX 300 + Sonic Electronix Bonus Pack 3 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

No picture

JBL DS645 4" x 6" Decade Series

$39.99

List price $69.99

EQS744 small

Clarion EQS744 7-Band Equalizer

(2)

$56.99

List price $129.99

CL-SSI small

JL Audio CL-SSI R/B

Remote Signal Summing Interface for JL Audio CleanSweep

$59.99

List price $169.99

Related Searches


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

2003 Mazda Protege5

2004 Toyota Sequoia

2006 Mazda 3

2014 Ram 2500

2011 Audi TT

2021 Lexus GX460

2002 Chevrolet Blazer

2015 Dodge Dart

2001 Subaru Outback

1964 Ford Thunderbird

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.