Audio-Technica ATH-M40x vs Beyerdynamic DT 990 Pro

Updated Jun 2026 · Scored by the Let’s Compare Data Engine · How we score

The Audio-Technica ATH-M40x and Beyerdynamic DT 990 Pro are closely matched at 26 and 25/100. The Audio-Technica ATH-M40x edges ahead on Comfort & Build, while the Beyerdynamic DT 990 Pro leads on value — pick the one whose strengths match what you'll actually use.

  • Sound quality isn't scored yet (we have no measured audio data), so the score covers features, battery, noise cancelling and build.

Verdict

Our overall take, at a glance

Key takeaways

  • Audio-Technica ATH-M40x and Beyerdynamic DT 990 Pro are closely matched overall (within 1 point).
Audio-Technica ATH-M40x and Beyerdynamic DT 990 Pro are closely matched
Audio-Technica ATH-M40x
26
Beyerdynamic DT 990 Pro
25

Watch-outs

Compromises to know before you buy

Audio-Technica ATH-M40x

  • No microphone — you can't take calls.

Beyerdynamic DT 990 Pro

  • No microphone — you can't take calls.

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.

Audio-Technica ATH-M40x

The Audio-Technica ATH-M40x is an over-ear, dynamic closed-back headphone designed primarily for studio monitoring and audio production. Introduced as part of a remastered M-Series lineup in 2014, it features 40mm drivers with neodymium magnets and copper-clad aluminum voice coils. Operating with a 35-ohm impedance and a frequency response of 15 to 24,000 Hz, it is tuned to provide a flatter, more accurate sound profile with minimal coloration.

Best for audio mixing and studio monitoring requiring accurate, uncolored frequency…Best for content creation and tracking where a lightweight, closed-back design is…
Pros
  • Equipped with two different detachable cables (a 1.2-meter straight and a 3-meter coiled cable) for physical flexibility
  • Tuned for a relatively flat frequency response, helping to deliver accurate and uncolored audio reproduction
  • Weighs 240 grams, presenting a relatively lightweight option for long listening sessions
  • Includes a screw-on 6.5mm adapter to ensure compatibility with professional audio equipment
Cons
  • Includes only a basic soft pouch for storage, offering limited physical protection compared to a hardshell case

Beyerdynamic DT 990 Pro

The Beyerdynamic DT 990 Pro is an open-back headphone designed primarily for studio monitoring, mixing, and content creation. Handcrafted in Germany, this long-standing model is characterized by its high impedance and highly durable construction. It is built for audio professionals and enthusiasts who require an expansive acoustic presentation at an accessible price point.

Best for Critical audio mixing and editing in controlled, quiet studio spacesBest for Listeners who prioritize long-term serviceability and easily repairable…
Pros
  • Highly modular physical design with easily replaceable parts
  • Open-back architecture delivers an expansive, spacious soundstage
  • Acoustic profile is highly responsive to user equalization
Cons
  • High impedance requires dedicated amplification to drive the headphones effectively
  • Open-back housing provides virtually no environmental sound isolation

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

Audio-Technica ATH-M40x

Beyerdynamic DT 990 Pro

Physical Comparison

Weight, side by side

240 g250 g
Audio-Technica ATH-M40xBeyerdynamic DT 990 Pro

Beyerdynamic DT 990 Pro is 10 g (4%) heavier than Audio-Technica ATH-M40x.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Frequently Asked Questions

Common questions about Audio-Technica ATH-M40x vs Beyerdynamic DT 990 Pro comparison

They are closely matched: Audio-Technica ATH-M40x scores 26/100 and Beyerdynamic DT 990 Pro scores 25/100 in our overall comparison — within 1 point. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.
Audio-Technica ATH-M40x and Beyerdynamic DT 990 Pro are compared side by side above across every spec in the headphones category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 26/100 for Audio-Technica ATH-M40x and 25/100 for Beyerdynamic DT 990 Pro.
At launch, Audio-Technica ATH-M40x was the more affordable option ($99) versus Beyerdynamic DT 990 Pro ($179). Weigh that against the overall scores (26/100 vs 25/100) and the value-for-money meter above to judge whether the higher-rated model justifies its price for your needs. Current retail prices vary — check the retailer.
It's close — Audio-Technica ATH-M40x (26/100) and Beyerdynamic DT 990 Pro (25/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.

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