Beyerdynamic 718300 MMX 300 Second Generation Gaming and Mul
✅ PROS
- Tesla drivers deliver audiophile-grade clarity that outperforms most gaming headsets under $300 inch
- Detachable cable with integrated remote and mic — replaceable, practical, and rare at this tier
- German-built with replaceable earpads and headband; genuinely serviceable for 10+ years
❌ CONS
- Clamping force runs tight out of the box — comfort for long sessions requires a break-in period
- Wired-only with a fixed 2.5m cable; no Bluetooth or wireless option in 2026 feels dated
- Microphone is good, not great — fine for Discord but not a dedicated streaming mic replacement
The Verdict
The Beyerdynamic MMX 300 Second Generation is what happens when a studio headphone manufacturer takes gaming seriously. This is not a gamer-branded toy with RGB and fake leather. It’s a closed-back dynamic headphone built on Beyerdynamic’s Tesla driver technology, the same engineering that powers studio workhorses costing twice as much.
What you actually get
The box is refreshingly minimal: the headset itself, a detachable 2.5-meter cable with inline remote and mic, a 3.5mm to 6.3mm adapter, and a soft pouch. No software, no USB dongle, no driver downloads. The headset is wired-only, which will either feel like a relief or a dealbreaker depending on your setup. The cable terminates in a standard 3.5mm jack, so it works with PC, Mac, PlayStation, Xbox controllers, and even your phone with an adapter.
Build quality and comfort
This thing is built like a tank. The metal-reinforced headband and spring-steel yoke feel indestructible. Earpads are velour-covered memory foam, and they’re replaceable — a detail most gaming brands ignore. The clamping force is firm out of the box. Several Amazon reviewers note it “took about two weeks to loosen up,” and one said they “needed to stretch it over a bookshelf for a night.” If you have a larger head, factor in that break-in period. At 330 grams, it’s not light, but the weight distributes well once the clamp settles.
Sound performance
This is where the MMX 300 earns its keep. The Tesla drivers deliver a balanced signature — punchy bass that doesn’t bleed into mids, clear vocals, and crisp highs without sizzle. In games like Valorant or Apex Legends, footsteps and directional cues are exceptionally precise. One reviewer called it “the closest thing to wearing studio monitors while gaming.” For music, it’s genuinely enjoyable, not just “good for a gaming headset.” You’re paying for audio fidelity, not marketing hype.
The microphone situation
The inline mic is detachable and sounds decent — clear, with acceptable noise rejection. However, it’s not a broadcast-grade mic. Multiple reviewers described it as “fine for Discord” or “good enough for team chat.” If you’re a streamer or podcaster, you’ll still want a dedicated USB mic. The inline remote is basic: volume wheel and mic mute. No game/chat balance, no EQ presets.
Where it falls short
At its price point, the wired-only design is the biggest sticking point. There’s no wireless option, no Bluetooth, no companion app. The cable is long (2.5 meters), which is great for desktop use but annoying if you like to lean back from your monitor. The tight clamp is a real issue for the first week or two. And the mic, while serviceable, won’t replace a proper setup for content creators.
Who should buy this
- The audio purist gamer who already owns good IEMs and wants a headset that doesn’t compromise on sound
- The long-haul desktop user who values replaceable parts and German engineering over wireless convenience
- Anyone upgrading from $50–100 gaming headsets who’s tired of muddy bass and flimsy plastic
Skip it if you need wireless freedom, have a petite head that can’t handle the clamp, or expect a broadcast-grade mic.
FAQ
Q: Does the MMX 300 work with Xbox and PlayStation? A: Yes — the 3.5mm jack works with all modern consoles via controller. No USB or optical needed. The inline mic works on PlayStation and Xbox controllers.
Q: Is the microphone removable? A: Yes. The entire cable with mic detaches. You can swap in a standard 3.5mm cable if you prefer no mic at all.
Q: How does it compare to the Sennheiser PC38X? A: The MMX 300 has tighter bass and better build quality; the PC38X is more open-sounding and lighter. The Beyerdynamic is more durable, but the Sennheiser is more comfortable out of the box.
The Verdict
The Beyerdynamic MMX 300 Second Generation is a premium, wired-only headset that prioritizes sound quality and longevity over convenience. It’s priced like a serious tool, and for gamers who care about audio fidelity, it delivers. The tight clamp and lack of wireless are real tradeoffs, but the Tesla drivers and serviceable design make this a buy-it-for-a-decade investment.
Buy it if you want studio-grade sound in a gaming headset and appreciate gear you can repair. Skip it if you need wireless, can’t tolerate a firm fit, or want a mic that doubles as a podcast setup.
Rating: 4.2/5 — Exceptional audio for the price, held back by dated connectivity and an uncomfortable first week.
Where to Buy
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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.