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Audio-Technica ATH-R50x specifications and in-depth review

Audio-Technica ATH-R50x

Manufacturer: Audio-Technica

The Audio-Technica ATH-R50x is an open-back, over-ear headphone built for wired listening, offering a lightweight 207 g build suited to extended sessions at a desk or in a studio setting. Its detachable cable adds a degree of practicality, and the tangle-free 3-metre cable gives users enough reach for stationary use without the frustration of knots or snags.

On the technical side, the ATH-R50x covers a broad frequency range from 5 Hz up to 40,000 Hz, with a 45 mm driver unit and an impedance of 50 Ohms, which typically calls for a dedicated headphone amplifier or audio interface to reach its intended operating level. The sound pressure level is rated at 93.3 dB/mW. The headphones are entirely passive — no battery, no active noise cancellation, and no wireless connectivity — and they carry no water resistance rating, making them a purely wired, stationary-use device.

Pros
  • The open-back design allows for a naturally airy sound presentation suited to attentive listening sessions
  • The detachable cable makes replacement straightforward and reduces long-term wear concerns
  • A tangle-free 3-metre cable provides generous reach for stationary use without cable management hassle
  • At 207 g, the headphones are relatively light for an over-ear form factor, reducing fatigue during extended wear
  • The wide frequency range of 5 Hz to 40,000 Hz reflects a broad tuning scope for the 45 mm drivers
Cons
  • No passive noise isolation means ambient sound is not attenuated, making them unsuitable for noisy environments
  • The 50-Ohm impedance may require a dedicated headphone amplifier or audio interface to drive properly
  • No folding mechanism and no included travel bag make transport and storage less convenient
  • Wired-only connectivity limits flexibility in how and where the headphones can be used
  • No microphone or in-line controls means calls and media management must be handled entirely on the source device
  • The absence of any water resistance means they cannot be used safely in damp conditions
Who is this for?

The ATH-R50x is well suited to listeners who use their headphones in a quiet, stationary environment such as a home studio or dedicated listening space, where the open-back design can be appreciated without ambient noise becoming a distraction. The 3-metre tangle-free detachable cable and 207 g build support extended seated listening sessions, and the wide 5 Hz to 40,000 Hz frequency range combined with 45 mm drivers makes them appropriate for users focused on critical or attentive audio monitoring rather than casual playback. The 50-Ohm impedance is a good fit for those who already own or plan to use a dedicated headphone amplifier or audio interface.

Who is this NOT for?

These headphones are a poor match for users who need portability or on-the-go use, as they cannot be folded, come with no travel bag, and carry no water resistance, making them impractical outside a controlled setting. The open-back design and complete absence of passive noise isolation rule them out for commuting, public spaces, or noisy work environments where sound leakage and ambient intrusion would be disruptive. Additionally, users who require hands-free communication or media controls will find them lacking, as there is no microphone, no in-line controls, and no headset functionality of any kind.

Design:

Fit Over-ear
weight 207 g
has a detachable cable ✓
water resistance None
can be folded ✕
is designed for kids ✕
has a tangle free cable ✓
travel bag is included ✕
has an open-back design ✓
cable length 3 m
has stereo speakers ✓

The ATH-R50x features an over-ear fit with an open-back design, and its stereo speakers are housed in a frame that weighs 207 g, keeping the overall build relatively light for stationary use. The headphones are not foldable and do not come with a travel bag, which positions them as a desk-bound rather than portable option. They include a tangle-free, detachable cable measuring 3 m in length, offering both convenience and easy replacement if needed. Water resistance is absent, and the headphones are not designed for children's use.

Sound quality:

has active noise cancellation (ANC) ✕
lowest frequency 5 Hz
highest frequency 40000 Hz
driver unit size 45 mm
impedance 50 Ohms
supports spatial audio ✕
sound pressure level 93.3 dB/mW
has a neodymium magnet ✕
has passive noise reduction ✕

The ATH-R50x covers a wide frequency range of 5 Hz to 40,000 Hz and uses a 45 mm driver unit, with a sound pressure level of 93.3 dB/mW. Its impedance of 50 Ohms means the headphones place moderate demands on the source device to drive them adequately. Neither active noise cancellation nor passive noise reduction is present, and spatial audio is not supported. The drivers do not use a neodymium magnet.

Power:

Has USB Type-C ✕
has a battery level indicator ✕
Has a solar power battery ✕
has a rechargeable battery ✕
has a removable battery ✕

The ATH-R50x requires no power source of any kind, as it does not include a rechargeable battery, a removable battery, or a solar power battery. There is no USB Type-C port for charging and no battery level indicator, which is consistent with a fully passive, wired-only design that draws no power from an internal supply.

Connectivity:

connectivity Wired

The ATH-R50x uses a wired connection, meaning it relies entirely on a physical cable to connect to the audio source with no wireless option available.

Features:

has a noise-canceling microphone ✕
has ambient sound mode ✕
has in/on-ear detection ✕
number of microphones 0
has a mute function ✕
control panel placed on a device ✕
can be used as a headset ✕
Has an in-line control panel ✕

The ATH-R50x carries no microphones, which means it cannot be used as a headset and offers no noise-canceling mic or mute function. There is no in-line control panel or device-mounted control panel, and the headphones lack both ambient sound mode and in/on-ear detection for auto-pausing playback.

Final Verdict

The Audio-Technica ATH-R50x is a purpose-built wired headphone that makes its intentions clear through every aspect of its specification sheet — it is designed for attentive, stationary listening in a controlled environment, not for versatile everyday use. Its open-back, passive design with a wide frequency range and 45 mm drivers gives it a focused appeal among users who prioritize serious audio monitoring and already have the supporting equipment to drive a 50-Ohm load. The trade-offs — no noise isolation, no portability features, no microphone, and wired-only connectivity — are the direct result of that singular focus rather than oversights. For the right user in the right setting, the ATH-R50x represents a coherent and deliberate set of design choices; for anyone needing flexibility or all-round functionality, it will fall short of expectations.

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