TurboVS
Beyerdynamic MMX 300 Pro specifications and in-depth review

Beyerdynamic MMX 300 Pro

Manufacturer: Beyerdynamic

The Beyerdynamic MMX 300 Pro is a wired over-ear headset built for PC and gaming use, offering broad platform compatibility across PC, PlayStation, Nintendo Switch, and Xbox via a standard 3.5mm connection. It features a closed-back design with passive noise reduction to help block out ambient sound during use, and stereo speakers driven by 45 mm drivers. The headset weighs 314 g and comes with a 2.5 m tangle-free cable, though it cannot be folded and does not have a detachable cable.

On the acoustic side, the Beyerdynamic MMX 300 Pro covers a wide frequency range of 5 Hz to 40000 Hz with a sound pressure level of 96 dB/mW and an impedance of 48 Ohms, using two drivers per unit. The built-in microphone picks up frequencies from 20 Hz to 20000 Hz, though it does not feature noise cancellation, a mute function, or a removable design. The headset is entirely passive — there is no rechargeable battery, no wireless capability, no USB Type-C, and no in-line control panel, keeping the setup straightforward and dependent solely on the wired 3.5mm connection.

Pros
  • A wide frequency response of 5 Hz to 40000 Hz gives the drivers a broad acoustic range for both gaming audio and music listening
  • Passive noise reduction through the closed-back design helps block out ambient sound without requiring any power source
  • The 2.5 m tangle-free cable provides a generous reach for desktop setups while reducing cable management frustration
  • Broad platform compatibility across PC, PlayStation, Nintendo Switch, and Xbox means the headset can be used across multiple devices without additional adapters
  • No battery dependency whatsoever ensures the headset is always ready to use without charging or battery management
Cons
  • The microphone lacks a noise-canceling function, which may result in more background noise being picked up during calls or in-game voice chat
  • There is no mute function on the microphone or anywhere on the headset, requiring users to rely on software or platform controls to silence themselves
  • The cable is not detachable, which means any cable damage requires replacing the entire headset
  • No in-line control panel is available, so volume and audio adjustments must be handled through the connected device
  • The headset cannot be folded, making it less compact for storage or transport
  • No travel bag is included, leaving users without dedicated protection when moving the headset between locations
Who is this for?

The Beyerdynamic MMX 300 Pro is well suited to stationary desktop users who want a reliable wired headset for gaming or voice communication without the hassle of charging or battery management. Its closed-back passive noise reduction makes it a practical choice for home setups where blocking out moderate ambient sound is useful, and the 2.5 m tangle-free cable provides enough reach for typical desk configurations. The broad platform compatibility across PC, PlayStation, Nintendo Switch, and Xbox also makes it a functional option for users who game across multiple systems and prefer a single headset for all of them.

Who is this NOT for?

Users who need to communicate clearly in noisy environments will find the microphone's lack of noise cancellation a meaningful limitation, as background sound is likely to bleed into voice chat without any hardware filtering. The absence of a mute function and in-line controls adds friction for anyone who frequently needs to quickly silence themselves or adjust volume on the fly during sessions. The headset is also a poor fit for users who need portability, as it cannot be folded, has no travel bag included, and uses a fixed non-detachable cable that makes transport and storage less practical.

Design:

Fit Over-ear
has a detachable cable ✕
weight 314 g
cable length 2.5 m
has RGB lighting ✕
can be folded ✕
has an open-back design ✕
has a tangle free cable ✓
has stereo speakers ✓

The Beyerdynamic MMX 300 Pro uses an over-ear fit with a closed-back design and stereo speakers, weighing 314 g. It comes with a 2.5 m tangle-free cable that is not detachable, and the headset cannot be folded for compact storage. RGB lighting is not included.

Sound quality:

lowest frequency 5 Hz
highest frequency 40000 Hz
has active noise cancellation (ANC) ✕
driver unit size 45 mm
sound pressure level 96 dB/mW
impedance 48 Ohms
has a neodymium magnet ✕
has passive noise reduction ✓
drivers count 2

The Beyerdynamic MMX 300 Pro uses two 45 mm drivers per ear cup, covering a wide frequency range of 5 Hz to 40000 Hz with a sound pressure level of 96 dB/mW and an impedance of 48 Ohms. Passive noise reduction is built in through the closed-back design, while active noise cancellation and a neodymium magnet are not part of the specification.

Microphone:

has a noise-canceling microphone ✕
lowest mic frequency 20 Hz
highest mic frequency 20000 Hz
has a removable microphone ✕
has a mute function ✕
number of microphones 1

The Beyerdynamic MMX 300 Pro includes a single built-in microphone with a frequency response of 20 Hz to 20000 Hz. It does not feature noise cancellation, a removable design, or a mute function, keeping the microphone setup straightforward and fixed in place.

Power:

has a rechargeable battery ✕
has a battery level indicator ✕
has a removable battery ✕

The Beyerdynamic MMX 300 Pro is a fully passive, battery-free headset with no rechargeable battery, no removable battery, and no battery level indicator, as it draws no power and operates entirely through its wired 3.5mm connection.

Connectivity:

connectivity 3.5mm
compatibility PC, PlayStation, Nintendo Switch, Xbox
Can be used wirelessly ✕
Has USB Type-C ✕
has LDHC ✕
has Bluetooth LE Audio ✕
has Auracast ✕
has fast pairing ✕

The Beyerdynamic MMX 300 Pro connects via a 3.5mm wired interface and is compatible with PC, PlayStation, Nintendo Switch, and Xbox. It does not support wireless operation, USB Type-C, LDHC, Bluetooth LE Audio, Auracast, or fast pairing, making it a strictly wired solution across all supported platforms.

Features:

can be used as a headset ✓
has a vibration function ✕
Has an in-line control panel ✕
travel bag is included ✕

The Beyerdynamic MMX 300 Pro can be used as a headset for voice communication. It does not include an in-line control panel, a vibration function, or a travel bag.

Final Verdict

The Beyerdynamic MMX 300 Pro is a straightforward wired headset that prioritizes acoustic range and passive isolation over feature depth, making it a dependable choice for stationary gaming and communication across PC and console platforms. Its wide 5 Hz to 40000 Hz frequency response paired with closed-back passive noise reduction gives it a solid acoustic foundation for extended gaming sessions where consistent audio performance matters more than wireless convenience or advanced microphone processing. That said, the fixed cable, absence of in-line controls, and a microphone without noise cancellation or mute functionality mean it demands a certain tolerance for simplicity. For users who value a no-fuss, battery-free wired setup with broad platform support, the Beyerdynamic MMX 300 Pro is a capable and uncomplicated option — provided they go in with realistic expectations about its feature set.

Popular Comparisons

Beyerdynamic MMX 300 Pro
Beyerdynamic MMX 300 Pro
VS
Beyerdynamic MMX 330 Pro
Beyerdynamic MMX 330 Pro