Sennheiser Accentum Wireless vs Audio-Technica ATH-M40x

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

For most buyers the Sennheiser Accentum Wireless is the better pick — it scores 89/100 to the Audio-Technica ATH-M40x's 17, leading on Noise Cancelling and Wireless. Choose the Audio-Technica ATH-M40x 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

Sennheiser Accentum Wireless leads overall

Sennheiser Accentum Wireless

Audio-Technica ATH-M40x

Why it stands out

Comfort & Build Weight: 222 g (8% less)

Watch-outs

Compromises to know before you buy

Sennheiser Accentum Wireless

No notable compromises found.

Audio-Technica ATH-M40x

No microphone — you can't take calls.

Winner by category for Sennheiser Accentum Wireless vs Audio-Technica ATH-M40x
Category	Sennheiser Accentum Wireless	Audio-Technica ATH-M40x	Winner
Noise Cancelling	96	0	Sennheiser Accentum Wireless
Wireless	94	4	Sennheiser Accentum Wireless
Battery	98	0	Sennheiser Accentum Wireless
Comfort & Build	54	46	Sennheiser Accentum Wireless
Connectivity	96	4	Sennheiser Accentum Wireless

In-depth analysisAI

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

Sennheiser Accentum Wireless

The Sennheiser Accentum Wireless is a mid-range pair of active noise-canceling headphones designed as a more affordable alternative to the flagship Momentum 4. Operating over Bluetooth 5.2, the headset features 17mm drivers, a hybrid ANC system, and an impressive battery life of up to 50 hours. It is aimed at budget-conscious listeners who want the brand's signature sound quality without spending over £200.

Best for Long commutes and flights thanks to the 50-hour battery lifeBest for Listeners wanting Sennheiser's tuned audio profile on a budget under £200

Pros

Excellent battery performance offering up to 50 hours of playtime
Effective hybrid active noise cancellation that dampens transit drone like train and plane noise
Comfortable fit with well-padded ear cups and headband cushion
Audio personalization options via the companion Smart Control app

Cons

No analog audio jack, limiting connections to wireless-only Bluetooth streaming
Physical control buttons have a cheap, plastic feel

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

Source

Audio-Technica - WikipediaProvides historical background on the Audio-Technica brand and details the 2014 launch of the remastered M-Series headphones.

Video — reviews used (3)

Provides precise technical specifications including weight, driver details, impedance, frequency response, and included accessories.

Generated Jun 30, 2026

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 Accentum Wireless

Check Price on Amazon

Audio-Technica ATH-M40x

Check Price on Amazon

Physical Comparison

Weigh them up, then compare real dimensions in 3D

Sennheiser Accentum WirelessAudio-Technica ATH-M40x

Audio-Technica ATH-M40x is 18 g (8%) heavier than Sennheiser Accentum Wireless.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Noise Cancelling

Feature	Sennheiser Accentum Wireless	Audio-Technica ATH-M40x
Active Noise Cancelling	Yes	No
Transparency Mode	Yes	No

Wireless

Feature	Sennheiser Accentum Wireless	Audio-Technica ATH-M40x
Wireless	Yes	No
Bluetooth Version		N/A
Supported Codecs	N/A	N/A
Multipoint Connection	Yes	No

Battery

Feature	Sennheiser Accentum Wireless	Audio-Technica ATH-M40x
Battery Life (ANC On)	50 h	N/A
Quick Charge	Yes	No

Comfort & Build

Feature	Sennheiser Accentum Wireless	Audio-Technica ATH-M40x
Weight	222 g8% less	240 g
Folding Design	No	Yes
Water Resistance	N/A	N/A
Dimensions	16.5 × 19.5 × 4.8 cm	22.5 × 23 × 12 cm

Connectivity

Feature	Sennheiser Accentum Wireless	Audio-Technica ATH-M40x
Wired Connection	N/A	3.5mm + 6.3mm adapter
Detachable Cable	No	Yes
Built-in Microphone	Yes	No

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about Sennheiser Accentum Wireless vs Audio-Technica ATH-M40x comparison

Based on our overall comparison score, Sennheiser Accentum Wireless rates higher at 84/100 versus 26/100 for Audio-Technica ATH-M40x — a 58-point lead. Sennheiser Accentum Wireless 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 Accentum Wireless 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 84/100 for Sennheiser Accentum Wireless and 26/100 for Audio-Technica ATH-M40x.

At launch, Audio-Technica ATH-M40x was the more affordable option ($99) versus Sennheiser Accentum Wireless ($180). Weigh that against the overall scores (84/100 vs 26/100) 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 Accentum Wireless (84/100) edges out Audio-Technica ATH-M40x (26/100). 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.