Based on our overall comparison score, Sennheiser Momentum 4 rates higher at 87/100 versus 35/100 for Audio-Technica ATH-M40x — a 52-point lead. Sennheiser Momentum 4 is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
Sennheiser Momentum 4 vs Audio-Technica ATH-M40x
Verdict
Our overall take, at a glance
Key takeaways
- Sennheiser Momentum 4 leads Audio-Technica ATH-M40x overall by 50 points (79 vs 29 out of 100).
- Sennheiser Momentum 4 stands out on Audio Driver Size: 42 mm.
- Best value: Audio-Technica ATH-M40x (from $99) — the strongest score-per-dollar of the two.
Sennheiser Momentum 4 leads overall
Sennheiser Momentum 4
79
Audio-Technica ATH-M40x
29
Why it stands out
- Audio Driver Size: 42 mm
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.
Sennheiser Momentum 4
The Sennheiser Momentum 4 are over-ear wireless headphones designed for listeners who prioritize sound fidelity and long battery life. Despite being on the market for multiple years, they remain a prominent option in the active noise-canceling space. They offer a blend of high-quality audio reproduction, wireless connectivity, and active noise reduction.
Best for Long-haul travel requiring class-leading battery enduranceBest for Listeners seeking premium sound quality without paying the premium of the absolu
Pros
- Exceptional battery performance that minimizes the need for frequent charging
- High-fidelity audio quality that remains competitive with newer industry standards
- Capable active noise cancellation for daily commutes and travel
Cons
- Slightly outdated technology implementation compared to newer flagship rivals
- Minor software and usability rough edges in everyday operation
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 respoBest for content creation and tracking where a lightweight, closed-back design is preferr
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
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.
Sennheiser Momentum 4
Audio-Technica ATH-M40x
Physical Comparison
Weigh them up, then compare real dimensions in 3D
Sennheiser Momentum 4Audio-Technica ATH-M40x
Sennheiser Momentum 4 is 53 g (22%) 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 Sennheiser Momentum 4 vs Audio-Technica ATH-M40x comparison
Sennheiser Momentum 4 and Audio-Technica ATH-M40x 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 87/100 for Sennheiser Momentum 4 and 35/100 for Audio-Technica ATH-M40x.
At launch, Audio-Technica ATH-M40x was the more affordable option ($99) versus Sennheiser Momentum 4 ($379). Weigh that against the overall scores (87/100 vs 35/100) 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.
If you want the higher-rated headphones option overall, Sennheiser Momentum 4 (87/100) edges out Audio-Technica ATH-M40x (35/100). But if Audio-Technica ATH-M40x is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.