If you want more detailed sound, larger drivers, and swiveling earcups for remote work, choose Audio-Technica ATH-M50X; if you need a simpler wired headphone for tracking and monitoring, choose Audio-Technica ATH-M20x.
For remote work, both offer an over-ear, closed-back design intended to help isolate you from surrounding noise. The ATH-M50X brings more flexibility for listening and one-ear monitoring, while the ATH-M20x keeps its feature set straightforward. Neither has a transparency mode or an open-ear design, so those are not the right features to seek in either pair.
Audio-Technica ATH-M50X vs Audio-Technica ATH-M20x at a Glance
• Audio-Technica ATH-M20x: 40 mm drivers, a stated frequency range of 15–20,000 Hz, and a single-side cable exit; it lacks the M50X’s swiveling earcups.
• Both use a circumaural, closed-back design intended to provide sound isolation in noisy environments.
• Both are wired headphones, so neither gives you wireless listening.
• Choose the ATH-M50X for one-ear monitoring and a broader stated frequency range; choose the ATH-M20x for straightforward tracking and monitoring.
The ATH-M50X is the more flexible choice for someone who listens closely to music, works with audio, or wants to move between focused listening and one-ear monitoring. Its 45 mm drivers and 15–28,000 Hz stated frequency range give it the broader specification of the two. The product information also describes clear sound across an extended range with deep, accurate bass.
Its closed-back, over-ear design is intended to help isolate you from surrounding sound. The earcups swivel 90 degrees, which can be useful when you want one ear uncovered while monitoring audio. For remote work, that flexibility may appeal if you switch between listening to a recording and staying aware of the room. It remains a wired headphone, though, so it is not a wireless option for moving freely around a workspace.
How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-21 · 6 min read · Independent comparison
I’d choose it if you expect to use the swiveling cups or want the wider stated frequency range. If your needs stop at basic wired listening and monitoring, the extra flexibility may not matter much. And if you’re looking specifically for a comfortable headphone for remote work, the supplied information describes the ear pad and headband materials as designed for comfort and durability, but it does not establish a fit that will suit everyone.
The ATH-M20x is a simpler wired option built around tracking and monitoring. Its 40 mm drivers have a stated frequency range of 15–20,000 Hz, and the tuning is described as emphasizing low-frequency performance. A single-side cable exit keeps the connection on one side, a practical detail for a fixed desk or studio setup.
The trade-off is that the M20x does not have the M50X’s 90-degree swiveling earcups, and its stated frequency range is narrower. I’d consider it when straightforward wired monitoring is the priority. If your remote-work routine calls for moving between rooms, taking calls without a cable, or hearing the room through a transparency mode, neither of these wired, closed-back models is designed for that job.
• Best for one-ear monitoring → Audio-Technica ATH-M50X. Its earcups swivel 90 degrees; that feature is not listed for the M20x.
• Best for the broader stated frequency range → Audio-Technica ATH-M50X. Its listed range is 15–28,000 Hz, compared with 15–20,000 Hz for the M20x.
• Best for larger drivers → Audio-Technica ATH-M50X. It uses 45 mm drivers, while the M20x uses 40 mm drivers.
• Best for a simple tracking and monitoring setup → Audio-Technica ATH-M20x. Its design and features focus on wired studio monitoring, including a single-side cable exit.
• Best for a long left-side cable connection → Audio-Technica ATH-M20x. Its listed cable is a 3.0 m straight cable with a left-side exit.
• Best for isolating yourself from surrounding sound → A tie. Both have circumaural closed-back designs described as providing sound isolation.
• Best transparency mode on ear headphones for remote work → Neither. No transparency mode is listed for either model.
• Best open ear earbuds for remote work → Neither. These are over-ear, closed-back headphones, not open-ear earbuds.
The two designs overlap on the basics: both are wired, over-ear, and intended to help reduce surrounding noise through their closed-back construction. The meaningful decision is whether the M50X’s larger drivers, wider stated frequency range, and swiveling cups are useful to you, or whether the M20x’s more straightforward monitoring setup is enough.
For a workday filled with calls, the isolation could help limit distractions, but it also means neither is built around hearing your surroundings through an open design. The product details do not specify a microphone, so I would not choose either on the assumption that it has a built-in calling mic. Check your computer or call setup if microphone support is essential.
A wired connection also shapes the choice. The M20x’s listed 3.0 m cable and left-side exit may be convenient at a fixed workstation, while the M50X’s distinguishing feature is its swiveling earcups rather than a cable-free setup. Neither one is a direct answer to requests for wireless convenience or transparency listening.
I’d choose the Audio-Technica ATH-M50X for remote work if I also wanted more listening flexibility: it has 45 mm drivers, the broader stated frequency range, and swiveling earcups for one-ear monitoring.
The ATH-M20x makes sense when a straightforward wired headphone for tracking and monitoring is all you need.
My pick is the M50X because its added monitoring flexibility gives me a clearer reason to choose it between these two.
I’d favor the ATH-M50X if one-ear monitoring or its broader stated frequency range matters to your work. Both are wired, closed-back headphones, and neither lists a transparency mode or a microphone.
The product details describe sound isolation from their circumaural, closed-back designs. They do not list active noise cancellation, so don’t treat passive isolation as the same feature.
What is the main sound specification difference between the two?
The ATH-M50X has 45 mm drivers and a stated frequency range of 15–28,000 Hz. The ATH-M20x has 40 mm drivers and a stated range of 15–20,000 Hz; its tuning is described as emphasizing low frequencies.
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