They are closely matched: Audio-Technica ATH-M40x scores 26/100 and Sennheiser HD 600 scores 24/100 in our overall comparison — within 2 points. 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 vs Sennheiser HD 600
Updated Jun 2026 · Scored by the Let’s Compare Data Engine · How we score
For most buyers the Audio-Technica ATH-M40x is the better pick — it scores 27/100 to the Sennheiser HD 600's 24, leading on Comfort & Build. Choose the Sennheiser HD 600 instead if you want to spend less.
- 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 Sennheiser HD 600 are closely matched overall (within 3 points).
- Audio-Technica ATH-M40x stands out on Comfort & Build Weight: 240 g (8% less).
Audio-Technica ATH-M40x and Sennheiser HD 600 are closely matched
Audio-Technica ATH-M40x
27
Sennheiser HD 600
24
Where Audio-Technica ATH-M40x stands out
- Comfort & Build Weight: 240 g (8% less)
Watch-outs
Compromises to know before you buy
Audio-Technica ATH-M40x
- No microphone — you can't take calls.
Sennheiser HD 600
- 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
Sennheiser HD 600
The Sennheiser HD 600 models are considered classic and popular in the audio community, particularly for music practitioners. The design remains classic; many find the sound stable and well-rounded despite potential improvements being available.
Best for mix engineersBest for music practitionersBest for general listening
Pros
- Body design is described as very classic and tasteful
- The physical earcup and headband are comfortable
- Separation of instruments sounds good in complex arrangements
- Well-rounded frequency response makes the body of instruments feel three-dimensional
- High performance for its price point (2000 CNY / 300 USD)
Cons
- New models may lack the classic marble texture found on older designs
- The new HD 600 may feel tight for larger heads
- Low-end distortion is noticeable, though comparable to other speakers
- Transients can be missing, leading to a smearing effect in playback
- Mid-frequency can feel somewhat bloated subjectively
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
Sennheiser HD 600
Physical Comparison
Weigh them up, then compare real dimensions in 3D
Audio-Technica ATH-M40xSennheiser HD 600
Sennheiser HD 600 is 20 g (8%) 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 Sennheiser HD 600 comparison
Audio-Technica ATH-M40x and Sennheiser HD 600 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 24/100 for Sennheiser HD 600.
At launch, Audio-Technica ATH-M40x was the more affordable option ($99) versus Sennheiser HD 600 ($449). Weigh that against the overall scores (26/100 vs 24/100) 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 Sennheiser HD 600 (24/100) 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.
Which would you buy?
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