Beyerdynamic’s MMX lineup has long been a favorite among gamers and audio enthusiasts alike, offering high-quality sound and durable construction. Yet, the MMX 150 Wireless and MMX 300 PRO cater to slightly different needs. The MMX 150 Wireless is designed for modern versatility, providing wireless convenience, multipoint connectivity, and comfort for gaming on the go. In contrast, the MMX 300 PRO is wired, targeting gamers and audiophiles who prioritize audio fidelity, build quality, and precise communication. While both belong to the same family, they deliver very different experiences, and this comparison will help you determine which model aligns with your gaming or listening style.
What You Get
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Look & Feel
When it comes to comfort, the MMX 150 Wireless impresses with its lightweight design and soft memory-foam velour ear pads. Long gaming sessions are generally comfortable, and the headset’s flexibility shines through in its multiple connectivity options: USB-C, Bluetooth, 3.5 mm, and a low-latency USB dongle. The MMX 300 PRO, on the other hand, emphasizes premium materials and construction. Its aluminum yokes, robust ear pads, and durable components convey a serious, high-quality build. While the clamping force may feel firm initially, many users find it comfortable after a break-in period.
Design
The MMX 150 Wireless uses a 40 mm dynamic driver designed by Beyerdynamic’s acoustics team specifically with gaming applications in mind. Because it’s optimized for versatility (including Bluetooth and USB connections), the 40 mm driver’s tuning gently prioritizes clarity and balance over dramatic lows or extended extremes in frequency. In contrast, the MMX 300 PRO is built around the more ambitious “STELLAR.45” driver, a 45 mm dynamic transducer that traces its lineage to Beyerdynamic’s studio‑grade headphones. This driver gives the MMX 300 PRO a significantly wider frequency range (down to 5 Hz and up to 40 kHz).
Mic Quality
The MMX 150 Wireless features a detachable “META voice” mic that provides clear and practical voice reproduction. While not as refined as a dedicated condenser microphone, it handles Discord chats, casual gaming, and mobile calls with competence. In contrast, the MMX 300 PRO’s fixed cardioid condenser mic delivers superior vocal clarity, making it better suited for competitive gaming, streaming, and frequent voice communication. Although the MMX 300 PRO’s non-detachable mic reduces versatility, the trade-off is higher fidelity and reliability for serious users who prioritize communication quality.
Soundstage
The Beyerdynamic MMX 150 Wireless offers a spacious and precise soundstage for a headset in its class. Positional cues are clear, making it easy to detect footsteps, directional effects, and subtle in-game audio details. While the stereo imaging is effective for competitive gaming, the overall soundstage feels slightly less expansive compared to high-end wired models, giving the impression that the audio is delivered slightly closer to the ears. This makes it well-suited for focused gaming sessions where precise positioning is more important than a wide ambient feel.
The MMX 300 PRO takes soundstage to the next level with its studio-inspired tuning. The imaging feels natural, and layers of sound are distinct without being exaggerated. In games, this results in highly accurate positional awareness and a sense of depth that immerses the listener in the environment. Music benefits as well, with instruments clearly separated and the sound appearing more three-dimensional than the MMX 150 Wireless. Overall, the MMX 300 PRO offers a more refined and engaging spatial experience.
Low End
The MMX 150 Wireless produces a restrained bass response that emphasizes clarity over impact. In contrast, the MMX 300 PRO delivers a richer and more textured low-end. Bass notes have weight and depth without becoming muddy or overwhelming, providing satisfying impact in explosions and low-frequency music passages. This gives both games and music a more dynamic and immersive quality, allowing listeners to feel the environment in a way the MMX 150 Wireless cannot fully replicate.
Mids
Mids on the MMX 150 Wireless are clear and prominent, ensuring dialogue, footsteps, and in-game effects are easy to pick out. This tuning benefits competitive gameplay, as crucial audio cues aren’t lost behind bass or treble. However, in music or cinematic content, the mids can feel slightly recessed against the treble, making vocals or melodic elements less forward in the mix than the MMX 300 PRO. Vocals and instrumentals are crisper through the MMX 300. They’re well-defined, avoiding the common “V-shaped” headphone pitfall where mids are recessed. This balance allows for long listening sessions without fatigue and makes audio cues in games feel realistic and detailed.
Highs
High frequencies on the MMX 150 Wireless are present but can occasionally be harsh or sizzly during extended use, especially in high-energy tracks or sound effects. The MMX 300 PRO offers more controlled and natural highs. Treble is present enough to provide clarity and sparkle without causing fatigue, making it easier to enjoy long gaming or music sessions. Details such as environmental ambience, subtle sound effects, and high-frequency instrumentals are rendered with finesse, contributing to the headset’s overall studio-grade sound signature. The MMX 150 can emphasize detail, but it may also lead to listening fatigue for some users over long gaming sessions. The highs help separate instruments and effects, but lack the refinement found in premium wired models.
Summary
The MMX 150 Wireless is perfect for gamers and casual listeners who want a flexible, lightweight headset that works across multiple devices. The MMX 300 PRO shines for users who prioritize audio fidelity, mic clarity, and long-term durability. Ultimately, your choice hinges on whether convenience or uncompromising performance matters more in your gaming and listening experience.
The Beyerdynamic MMX 150 Wireless and MMX 300 Pro are available at Audio46.
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