After beyerdynamic recently expanded the MMX series with the more affordable 100 and 150 models, as well as the wireless MMX 200 Wireless (our test), they are now taking on a new edition of the legendary MMX 300. The beyerdynamic MMX 300 Pro updates the veteran model, which we also tested in the 2nd generation back in 2017, with new drivers and technical improvements. Those who value the best possible sound need look no further.
Technical specifications
| The product | MMX 300 Pro |
| Design | Over-ear |
| Driver | STELLAR.45 |
| Frequency range (headphones) | 5 – 40,000 Hz |
| Sound pressure level | 98 dB SPL |
| Impedance | 48 Ohm |
| Connectivity | 3.5 mm jack |
| Microphone type | Electret condenser |
| Frequency range (microphone) | 20 – 20,000 Hz |
| Microphone weight | 314 g |
| Compatibility | PC, Mac, PS4, PS5, Nintendo Switch, smartphone/tablet |
| The price | € 299.00 * |
beyerdynamic MMX 300 Pro Review: What makes the new edition stand out
A gaming headset that doesn’t have the usual bass-emphasized sound, but instead comes with studio-quality sound. This was quite unique for a long time and the reason why the MMX 300 from beyerdynamic has legendary status.
At the time, it combined the sonic advantages of the DT 770 Pro studio headphones with a convincing microphone. I still remember my first impressions of the MMX 300 very well, back in the first generation, when bass hum from Turtle Beach or Razer dominated the scene – both manufacturers now deliver significantly better quality.
In comparison, the beyerdynamic headset was a completely different, significantly better experience and is still hard to beat in terms of sound quality. This is one reason why I still mostly use studio headphones for gaming.
In general, there are significantly more headsets on the market today that also achieve a neutral sound. It’s about time for an upgrade, isn’t it? After all, the 2nd generation of the MMX 300 is already a good seven years old.
And this upgrade is finally here: in the form of the new beyerdynamic MMX 300 Pro. But what has actually changed compared to the non-Pro model? In short: quite a lot.
The most important new features
On the one hand, the new headset now uses the STELLAR.45 drivers, which have proven themselves in the Heilbronn-based manufacturer’s Pro X headphones for almost three years. They are characterized by improved sound fidelity and convincing spatial representation – the latter in particular was one of the few real weaknesses of the original MMX 300.
The bass and treble reproduction has also been noticeably refined. Not only does the frequency range now extend from 5 Hz to 40,000 Hz (5,000 Hz more in the treble range than its predecessor), but the presentation is also much more convincing – but more on that later.
The condenser microphone has also been upgraded and now reproduces frequencies from 20 Hz to 20,000 Hz. The performance at both ends of the spectrum has therefore been extended.
Wearing comfort has also been minimally optimized. The soft headband now has a recess for the fontanel – although I couldn’t really see any advantage during my test. However, this can also already be found in the DT 770 Pro X. However, the gaming headset has inherited the soft velour ear pads, which perfectly round off the excellent wearing comfort.
With a weight of 314 grams, the beyerdynamic MMX 300 Pro is comparatively heavy, especially for a wired headset, but the wearing comfort is second to none. Especially as the ear pads can be easily removed and replaced if necessary.
Design and quality made in Germany
Despite or perhaps because of its weight, the beyerdynamic MMX 300 Pro feels very high-quality and robust. The metal headband should provide many years of good service, while the plastic of the ear cups also feels extremely robust and of high quality.
In general, the 300 Pro has a much higher quality feel than the manufacturer’s cheaper gaming headsets and is on a par with the Pro X headphones in terms of workmanship.
Incidentally, each headset is made by hand and undergoes very strict quality control. “The driver system is manufactured within tight tolerances and measured several times during production,” promises beyerdynamic. We’ll take their word for it, especially as the excellent workmanship leaves no room for any suspicions to the contrary.
The simple design has only been modernized in nuances and is otherwise largely the same as its predecessor. However, the non-slip exterior of the ear cups has given way to a matt black surface, which is noticeably more susceptible to fingerprints.
Another new feature is the updated orange manufacturer’s logo with PRO lettering, which provides a nice color accent. If you like, you can also have the new gaming headset customized in the manufacturer’s factory. The ear pads, decorative ring and outer sides can be customized here.
Operation and practical test
Setting up the beyerdynamic MMX 300 Pro is very simple – thanks to the analog technology. Simply connect the supplied 3.5 mm jack cable to the underside of the left ear cup and connect to a PC or games console. Let’s go.
Positive: The cable is sufficiently long at 2.5 meters. In addition, beyerdynamic includes a Y-adapter to ensure use on all consoles such as PlayStation, Xbox or Nintendo Switch, as well as other devices with an analog connection.
The cable also has an inline remote control – the same one that was used in the MMX 300. This allows the microphone to be quickly muted and the volume to be continuously adjusted, but unfortunately once again does not look as high-quality as the headphones and microphone, although it does serve its purpose.
This time, however, the manufacturer has consistently dispensed with a 6.35 mm jack adapter, which was included with the MMX 300.
Playback and recording quality
As already mentioned, in the beyerdynamic MMX 300 Pro the (quite) new STELLAR.45 replace the classic drivers that were still used in the previous MMX 300. They have an impedance of 48 ohms and therefore offer a slightly higher resistance than their predecessor, which had an impedance of 32 ohms. Nevertheless, the impedance allows powerful reproduction on all devices.
In terms of sound, the MMX 300 Pro cuts an excellent figure and delivers a sound image that is very similar to that of the DT 770 Pro X Limited Edition studio headphones, on whose architecture the new gaming headset is based.
The headset therefore also delivers an enormously full and airy sound that impresses across the board. Whether you’re playing games, listening to music or watching videos and movies, the MMX 300 Pro sounds outstanding.
The bass range is pleasantly powerful, round and very detailed right down to the low bass. At the same time, the mids and highs also score with a powerful and pleasantly detailed presentation.
Personally, I have been using the DT 770 Pro X Limited Edition as all-round headphones since their release, including for gaming, and I am still delighted with the sound, even though the mids are somewhat subdued compared to the bass and treble. Of course, it’s up to personal taste to decide how good this is for you.
Personally, I find the sound very pleasant when listening to music, as the sound is impressively airy and has a lot of oomph. But the MMX 300 Pro is also fun to play games with. Explosions, gunfire and engine sounds are reproduced with a pleasantly powerful sound without any lack of precision. At the same time, the acoustic cues, such as the footsteps of other players, are somewhat in the foreground, which makes the headset ideal for use in competitive shooters.
The spatial representation of the headset is also significantly improved, enabling very good localization in virtual space despite the stereo sound. In direct comparison to the DT 770 Pro X, the maximum volume of the MMX 300 Pro is slightly lower, but still at a very good level.
In my opinion, the only thing to criticize is that the highs and sibilants tend to be a little too exaggerated when mixed accordingly. This can lead to a somewhat tiring, sharp sound in some productions.
Microphone quality
The beyerdynamic MMX 300 Pro has a 7.5 cm long microphone boom, which is located on the left ear cup. This is equipped with a pop protection to soften sharp S and plosive sounds. The microphone of the original model already delivered a very good sound, but the new Pro model takes it to the next level, which is not only due to the extended sound spectrum.
The reproduction of your own voice is simply outstanding and very natural for a gaming headset. The headset mic can easily replace a USB microphone and also cuts a very good figure for voiceover recordings.
Microphone test recording beyerdynamic MMX 300 Pro:
Microphone test recording ASUS ROG Carnyx:
Microphone test recording Corsair HS80 Max:
Only the suppression of ambient noise could be a little stronger, as background noise is picked up to some extent. But that’s complaining at a very high level. No headset microphone currently sounds better. At least none that I know of.
beyerdynamic MMX 300 Pro Review: Conclusion
The beyerdynamic MMX 300 Pro marks a sensible and clearly audible improvement on the MMX 300 and is a big improvement, especially from a sound perspective. The reason for this is the new STELLAR.45 drivers, which have already proven themselves many times over in the studio headphones from Heilbronn.
Although the gaming headset also lacks innovative features such as noise suppression, a wireless connection or similar, from a sound perspective, the new Pro model easily outperforms almost all other gaming headsets and delivers a studio quality that not only impresses when gaming, but also when listening to music or watching media.
It combines this with a very good microphone and excellent wearing comfort, resulting in an absolutely coherent overall picture. With an RRP of 299 euros, the beyerdynamic MMX 300 Pro is certainly no bargain. But quality has its price and if you are prepared to invest this money, you will get the best-sounding wired gaming headset currently on the market, which is guaranteed to provide many years of good service.
beyerdynamic MMX 300 Pro
Workmanship
Comfort
Sound Quality
Microphone Quality
Features
Value For Money
94/100
Extremely comfortable analog gaming headset with outstanding sound and a very good microphone. Although there are no real innovations, the sound quality is absolutely unrivaled.
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