Gaming Headsets
SteelSeries Arctis Nova Pro Omni
8.4/10SoundGuys scoreRead our review ›
$379.99at Amazon
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1 / 7beyerdynamic
beyerdynamic MMX 300 PRO
beyerdynamic MMX 300 PRO closed gaming headset with Stellar.45 driver
Sound
2.1/ 5
SoundMDAQS Overall2.1
1.05.0
A 2.1 puts its audio quality in the bottom 10% of gaming headsets we've measured.
Measured on 19 of the 151 we've cataloged.
See the lab data ↓Frequency response · Isolation · Audio quality
Key specs
Connection Type
Wired 3.5mmMost commonWired-3.5mm34%2.4GHZ27%Bluetooth26%Wired-usb-c10%
Wired-3.5mm is the most common — on 34% of the 202 gaming headsets we've cataloged (of 151).
Connectivity
- Connection Type
- Wired 3.5mm
- Headphone Jack
- Yes
- Platform Compatibility
- PC, PlayStation 4, PlayStation 5, Xbox One, Xbox Series X|S, Nintendo Switch, Mobile
- Wireless Protocol
- Wired only
- USB Charging
- No
Build
- Material Ear Cups
- Velour
- Material Headband
- Leather-like material with thick foam padding
Design
- Headband Type
- Adjustable over-head
- Color Options
- Black
- Ear Pad Type
- Velour
- Foldable
- No
- Weight
- 314 g
Features
- Control Type
- Physical buttons
Identity
- Model Number
- MMX 300 PRO
Microphone
- Boom Style
- Fixed boom
- Polar Pattern
- Cardioid
- Count
- 1
- Microphone
- Yes
- Is Detachable
- No
Release
- Msrp Usd
- 349.99 USD
Sound
- Acoustic Design
- Closed-back
- Driver Size
- 45 mm
- Driver Type
- Dynamic driver
- Frequency Response
- 5-40000 Hz
- Frequency Response High Hz
- 40000 Hz
- Frequency Response Low Hz
- 5 Hz
- Frequency Response Signature
- V-shaped
- Impedance
- 48 Ω
- Passive Isolation
- 20 dB
- Sensitivity
- 96 dB/mW
Battery
- Battery
- No
Lab data
How we test ›Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.
beyerdynamic MMX 300 PROSoundGuys Headphone Preference Curve
Measured frequency response (dB relative) against the SoundGuys Headphone Preference Curve. When the measurement goes above the dashed line, that frequency is louder than our preference curve, and when it goes below: it's quieter. Use the curve for comparison purposes only, as your taste may vary.
| Frequency (Hz) | Response (dB) |
|---|---|
| 20 | 0.7 |
| 25 | 1.4 |
| 32 | 2.0 |
| 40 | 2.5 |
| 50 | 2.4 |
| 63 | -0.9 |
| 80 | 0.7 |
| 100 | 2.1 |
| 125 | 2.1 |
| 160 | -0.5 |
| 200 | -4.6 |
| 250 | -7.1 |
| 315 | -5.0 |
| 400 | -3.6 |
| 500 | -1.9 |
| 630 | -1.6 |
| 800 | -0.6 |
| 1000 | 0.0 |
| 1250 | 0.5 |
| 1600 | 1.4 |
| 2000 | 5.1 |
| 2500 | 5.8 |
| 3150 | 1.3 |
| 4000 | 5.2 |
| 5000 | 10.4 |
| 6300 | 12.1 |
| 8000 | 10.3 |
| 10000 | 3.1 |
| 12500 | 0.3 |
| 16000 | -8.7 |
| 20000 | -8.6 |
beyerdynamic MMX 300 PRO
Passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.
| Frequency (Hz) | Attenuation (dB) |
|---|---|
| 21 | -1.4 |
| 26 | -0.4 |
| 33 | -0.9 |
| 41 | -0.5 |
| 52 | 0.0 |
| 65 | -0.4 |
| 82 | -1.8 |
| 103 | -2.1 |
| 130 | -2.1 |
| 163 | -2.4 |
| 205 | -0.4 |
| 259 | 3.4 |
| 325 | 9.2 |
| 410 | 8.4 |
| 516 | 9.5 |
| 613 | 10.7 |
| 772 | 10.5 |
| 972 | 11.9 |
| 1220 | 12.3 |
| 1540 | 13.2 |
| 1940 | 10.5 |
| 2440 | 14.6 |
| 3070 | 21.6 |
| 3870 | 21.6 |
| 4870 | 25.4 |
| 6130 | 35.5 |
| 7720 | 33.8 |
| 9720 | 33.6 |
| 12200 | 34.3 |
| 15400 | 33.0 |
| 19400 | 34.4 |
beyerdynamic MMX 300 PRO
2.1
2.8
3.4
2.1
Multi-Dimensional Audio Quality Scores (1–5), modeled from the measured response. Higher is better across timbre, distortion, and immersiveness — add other models to see where this one lands.
SoundGuys review
Read the full review ›Isolation5.0
Comfort & fit9.5
Connectivity9.0
Design8.8
Portability5.8
Features7.0
The verdict
The Beyerdynamic MMX 300 Pro offers audiophile-grade sound for gaming and an excellent mic in a comfortable wired package, ideal for serious gamers who prioritize audio fidelity over bass-heavy tuning and wireless convenience.
✓What we like
✓Gaming sound quality
✓Microphone clarity
✓Comfortable
✓Removable ear pads and headband
✕What could be better
✕Music sound quality
✕Not portable
✕Potential for sibilance in treble range
Features & Opinions
More from the team ›Commentary and deep dives from the SoundGuys editorial team.
I've reviewed headphones for over a decade: Here are 5 things I wish they did differentlyHeadphone companies: help me help you
Christian ThomasEditor-at-large5 ways headphones are going to change in 2027Here's where things are headed.Christian ThomasEditor-at-largeWired vs wireless headphones: Which should you buy?Wired headphones do not automatically sound better.
Tom TriggsContributor
Christian ThomasEditor-at-large5 ways headphones are going to change in 2027Here's where things are headed.Christian ThomasEditor-at-largeWired vs wireless headphones: Which should you buy?Wired headphones do not automatically sound better.Tom TriggsContributorMore Gaming Headsets
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