Bose QuietComfort Ultra vs Audio-Technica ATH-M40x
Verdict
Our overall take, at a glance
Key takeaways
- Bose QuietComfort Ultra leads Audio-Technica ATH-M40x overall by 56 points (87 vs 31 out of 100).
Bose QuietComfort Ultra leads overall
$429 at launch
Bose QuietComfort Ultra
87
Audio-Technica ATH-M40x
31
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.
Bose QuietComfort Ultra
The Bose QuietComfort Ultra Earbuds are premium wireless in-ear headphones designed for users seeking top-tier ambient noise reduction in a highly portable format. They aim to deliver the powerful active noise cancellation performance typically associated with the brand's larger over-ear headphones inside a compact, travel-friendly design.
Best for Blocking out low-frequency cabin noise during air travel and daily transitBest for Listeners wanting flagship-level noise isolation without the bulk of over-ear he
Pros
- Outstanding active noise cancellation that effectively isolates loud environments
- Comfortable and secure fit using stability bands and ear tips for long listening sessions
- Engaging spatial audio presentation with built-in immersive sound modes
Cons
- Premium pricing makes them a significant financial investment compared to standard wireless earbuds
- Standard charging case lacks integrated wireless charging functionality out of the box
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.
Bose QuietComfort Ultra
Audio-Technica ATH-M40x
Physical Comparison
Weigh them up, then compare real dimensions in 3D
Bose QuietComfort UltraAudio-Technica ATH-M40x
Bose QuietComfort Ultra is 13 g (5%) heavier than Audio-Technica ATH-M40x.
Review Videos
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Detailed Specifications
The full spec sheet, side by side