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Bose QuietComfort Ultra 2nd Gen
Over-Ear Wireless ANC

Bose

QuietComfort Ultra 2nd Gen

Unmatched ergonomic luxury meets polarizing audio and persistent software quirks.

2025Updated Jul 2026

At a Glance

The Bose QuietComfort Ultra 2nd Gen remains the gold standard for frequent travelers and office workers who prioritize physical comfort and silence above all else. Its lightweight chassis and deep ear cups accommodate long-duration wear better than any current competitor.

However, audiophiles and power users should proceed with caution due to reports of audible ANC artifacts and a consumer-tuned sound profile that lacks the granular EQ control found in Sony or Technics alternatives. If your workflow requires frequent device switching or high-fidelity mic performance in loud environments, the software inconsistencies may prove frustrating.

Pros
  • Class-leading comfort with minimal clamping force
  • Top-tier active noise cancellation for low-frequency isolation
  • Premium aesthetic featuring durable aluminum yolks
Cons
  • Audible popping or thumping sounds during physical movement
  • Muddy sound signature lacking high-end detail
  • Inconsistent Bluetooth multipoint and software control

Source Breakdown

Compare scores and insights across source types

Reddit Sentiment

Analyzed 20 threads & 92 comments

ANC PerformanceWeight: 25%
85
Best Quote

"The ANC is excellent, on par with the Sony XM6 and only slightly behind the AirPods Max 2 in certain situations."

Users consistently praise the ANC as top-tier, with many stating it's the best they've experienced, though some note minor hiss or a 'thump' issue.

Sound QualityWeight: 20%
65
Best Quote

"The sound quality is good, it doesn’t feel quite as clear and completely lacks the detail the Technics and Sony have."

While some find the sound quality good, especially with EQ, many describe it as muddy, lacking detail, or overly bass-heavy compared to competitors.

Comfort/FitWeight: 15%
95
Best Quote

"The Bose are more comfortable than the Sonys, hands down. They have less clamping force on my head, and their ear cups are much deeper."

Comfort is overwhelmingly praised, with users frequently citing it as a major advantage and suitable for all-day wear.

Battery LifeWeight: 10%
70
Best Quote

"Both headphones are rated at 30 hours of battery life, and I believe this to be accurate."

Battery life is generally considered adequate and improved over previous generations, though not class-leading compared to some competitors.

Build QualityWeight: 10%
80
Best Quote

"The build quality is great, as is the design. I love the polished metal of the yolks."

The build quality is frequently described as premium, with positive mentions of materials and design, though some minor squeaking or hinge concerns are noted.

Call Quality / MicWeight: 10%
50
Best Quote

"I found that both perform well, but excel in different settings. In a quiet environment, the Bose provides clearer sound quality."

Call quality receives mixed to negative feedback, with users reporting issues in noisy environments and a processed sound, though some find it adequate in quiet settings.

Features & ConnectivityWeight: 10%
60
Best Quote

"The immersive is cool but nothing I would use regularly over the default mode probably."

Features like immersive audio are often criticized, and connectivity can be problematic with multiple devices, though the app is generally seen as functional.

Editorial News

Analyzed 10 major publications

ANC PerformanceWeight: 25%
85
Best Quote

"The noise cancellation remains outstanding and is second only to Sony among current-generation models we've tested."

Reviewers consistently praise the ANC as outstanding and among the best, though some note that Sony's offerings are marginally superior.

Sound QualityWeight: 20%
80
Best Quote

"The stock sound of the QC Ultra 2 is much more tonally balanced, with a pleasing sound profile that emphasizes beautiful, rich mids, while having an impactful but clean bass, and smooth treble."

The sound is described as crisp, detailed, and enjoyable with deep bass, though some find the midrange subdued and the overall profile more consumer-friendly than neutral.

Comfort/FitWeight: 15%
95
Best Quote

"The QC Ultra has the recipe for success: lightweight, plush cushioning, and minimal clamping force."

Users overwhelmingly praise the headphones for their lightweight design, plush padding, and comfortable fit, making them suitable for extended wear.

Battery LifeWeight: 10%
75
Best Quote

"While the last-gen model had a relatively short battery life of 24 hours with active noise cancellation (ANC) turned on, the new pair offers 30 hours of battery life."

Battery life has improved to 30 hours, which is considered good and on par with competitors, though not class-leading.

Build QualityWeight: 10%
70
Best Quote

"But the earcups and exterior of the headband do use plastic to save weight, and feels a bit cheaper to the touch."

The build is described as solid with a mix of plastic and metal, but some reviewers note it doesn't feel as premium as higher-priced competitors.

Call Quality / MicWeight: 10%
80
Best Quote

"Making calls is a lovely experience with the 2nd Gen. No matter how busy or chaotic the environment, voices remain front and center with a loud and clear presence."

Call quality is generally good, with clear voices, though some minor distortion or background noise can occasionally be present.

Features & ConnectivityWeight: 10%
85
Best Quote

"The Bose QuietComfort Ultra (2nd Gen.) headphone was provided by the manufacturer and I thank them for that. You can get it from Bose and virtually everywhere."

Features like USB-C lossless audio, improved Bluetooth multipoint, and immersive audio are well-received, though the app's EQ is considered basic.

YouTube Creators

Analyzed 17 detailed reviews & 155 comments

ANC PerformanceWeight: 25%
85
Best Quote

"The noise canceling is the best feature, for a noisy open office it's a god-send."

Reviewers consistently laud the ANC as excellent, with many stating it's on par with or better than top competitors, though some note minor issues with popping sounds.

Sound QualityWeight: 20%
65
Best Quote

"Some reviewers say that they sound great and the mids and highs are crystal clear and others say they sound muddy."

Opinions on sound quality are mixed, with some finding it superb and better than competitors, while others describe it as muddy or lacking definition, especially without proper EQ.

Comfort/FitWeight: 15%
95
Best Quote

"Bose are the better option because it does everything pretty good while they are comfortable so you can wear them for many hours"

Comfort is overwhelmingly cited as a major strength, with users frequently highlighting the ability to wear them for extended periods without discomfort, even over competitors.

Battery LifeWeight: 10%
50
Best Quote

"I would have liked to see a section in the review that covers usability and practicality for different scenarios - like having a zoom call, talking outside, talking on the train, listening to music on the train or flight, connecting and switching between devices, charging etc etc"

Battery life is not a frequently discussed topic among the provided reviews, leaving its performance largely unaddressed.

Build QualityWeight: 10%
70
Best Quote

"I'm a Sony fan. However, I recently had to replace my XM5 due to a broken plastic arm (close to the hinge). After seeing the aluminum arms on the Bose I decided to go with that model."

Build quality is generally seen as good, with positive comments on aesthetics and materials, though some users express concern about long-term durability based on past experiences.

Call Quality / MicWeight: 10%
60
Best Quote

"I wish Bose would fix the microphone during calls most people tell me they hear excessive noise when I am on a call if I am in a noisy environment"

Call quality receives mixed feedback; some users report clear calls with good noise suppression, while others are told by people on the other end that excessive noise is heard.

Features & ConnectivityWeight: 10%
55
Best Quote

"I highly recommend against buying. sorry but im thinking about returning these. they released an update and removed the feature where u could switch through all paired devices with the click on power button."

While some features like USB-C audio are appreciated, users are frustrated by the removal of essential controls via updates and persistent connectivity issues, alongside a lack of advanced EQ.

The Ergonomic Benchmark

Bose continues to dominate the physical design space, offering a fit that professional reviewers and long-term owners agree is superior to the Sony XM5 and AirPods Max. The 2nd Gen Ultra utilizes a blend of plush cushioning and deep ear cups to eliminate the "ear-touching" fatigue common in shallower designs. While tech blogs praise the polished metal yolks as a premium upgrade, Reddit users highlight the practical benefit: aluminum arms offer better structural integrity than the plastic hinges found on rival models.

The Bose are more comfortable than the Sonys, hands down. They have less clamping force on my head, and their ear cups are much deeper.

The Audio Friction Point

While professional reviews describe the sound as "tonally balanced" with "rich mids," the community consensus is far more divided. YouTube and Reddit users frequently report a lack of transparency and detail, characterizing the default tuning as muddy. The absence of a granular, multi-band EQ prevents users from correcting these deficiencies, leaving them reliant on a consumer-friendly profile that emphasizes bass over clarity.

Some reviewers say that they sound great and the mids and highs are crystal clear and others say they sound muddy.

Initial Impressions vs. Long-Term Reality

Initial professional reviews focus on the 30-hour battery life and the immediate "blackout" effect of the ANC. However, long-term user data reveals technical flaws that surface only after extended use. While a reviewer might praise the ANC in a controlled office setting, daily commuters report a distracting "thump" or "popping" sound when walking or moving their heads with ANC active. Furthermore, recent firmware updates have reportedly degraded the user experience by removing previously accessible hardware shortcuts.

I highly recommend against buying. sorry but im thinking about returning these. they released an update and removed the feature where u could switch through all paired devices with the click on power button.

Connectivity remains a point of contention. Tech blogs highlight the inclusion of lossless USB-C audio and improved multipoint, yet YouTube commenters report persistent issues when switching between devices. This creates a stark contrast between the theoretical feature set and the actual reliability of the software stack.