Bose QuietComfort 45 vs Audio-Technica ATH-M40x
Verdict
Our overall take, at a glance
Key takeaways
- Bose QuietComfort 45 leads Audio-Technica ATH-M40x overall by 56 points (87 vs 31 out of 100).
Bose QuietComfort 45 leads overall
$329 at launch
Bose QuietComfort 45
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 45
The Bose QuietComfort 45 is a pair of over-ear, active noise-canceling headphones designed primarily for commuters and frequent travelers. They serve as a successor in Bose's well-established line of portable audio gear, focusing heavily on physical comfort and ambient noise isolation.
Best for blocking out persistent background rumble during flights and daily commutesBest for extended listening sessions where a lightweight fit and low clamping force are n
Pros
- Highly effective active noise cancellation capable of isolating ambient environmental sound
- Lightweight and folding physical design that ensures long-term wearing comfort
- Tactile physical button controls that offer reliable, physical feedback over touch-sensitive alternatives
Cons
- Face stiff market competition from both newer releases and prominent rivals in the same segment
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 45
Audio-Technica ATH-M40x
Physical Comparison
Weight, side by side
Bose QuietComfort 45Audio-Technica ATH-M40x
Bose QuietComfort 45 and Audio-Technica ATH-M40x weigh about the same.
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Review Videos
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Detailed Specifications
The full spec sheet, side by side