Bose QuietComfort Ultra Headphones (2nd Gen): The Noise-Cancelling King Returns with Lossless Audio and All-Day Comfort

Product Gallery

Midnight Violet finish with polished mirror metal yokes

Bose Immersive Audio — spatial sound with head tracking

Dual-hinge foldable design — compact hard-shell case

Five premium finishes including Desert Gold & Driftwood Sand

Product Overview

Bose invented the noise-cancelling headphone category, and for over two decades, the QuietComfort line has been the benchmark against which all competitors are measured. The QuietComfort Ultra Headphones (2nd Gen) are Bose's response to an increasingly crowded flagship market — and they address nearly every criticism leveled at the first generation while doubling down on what Bose does best: silence, comfort, and immersive sound.

The headline upgrade is battery life. The original QC Ultra was rated for 24 hours with ANC on — respectable but behind Sony's WH-1000XM6. The 2nd Gen pushes that to 30 hours with ANC activated, 45 hours with ANC off, and 23 hours with Immersive Audio engaged. That 25% improvement closes the gap with Sony and puts the Bose firmly in all-week territory for commuters. A full charge takes 3 hours via USB-C, and a 15-minute quick charge delivers 3 hours of playback.

The second major upgrade is USB-C wired audio. The original QC Ultra could only use its USB-C port for charging — wired listening required the included 2.5mm-to-3.5mm cable. The 2nd Gen supports lossless CD-quality audio over USB-C, meaning you can connect directly to a laptop, phone, or DAC for uncompressed playback without carrying an analog cable. This is a feature previously limited to the Apple AirPods Max, and its inclusion here makes the QC Ultra 2 a genuine option for audiophiles who want wireless convenience and wired fidelity in one package.

The design remains recognizably Bose but refined. The aluminum yokes — previously matte — are now polished to a mirror finish that catches light beautifully. The dual-hinge mechanism allows the earcups to fold inward for a compact footprint in the included hard-shell case, or fold flat for wearing around the neck. At 250g, they are remarkably light for a flagship, lighter than the Apple AirPods Max (385g) and competitive with the Sony WH-1000XM6 (249g). The all-around pleather cushioning on the earpads and headband creates a seal and comfort level that makes long-haul flights feel shorter.

The noise cancellation is, simply put, the best in the business. Bose's proprietary ANC algorithm, now in its seventh generation, eliminates low-frequency rumbles — airplane engines, subway tracks, air conditioners — with a blanket of silence that must be experienced to be believed. Mid-frequency hubbub like office chatter and café clatter is equally well suppressed. Only sharp, high-frequency sounds like a baby's cry or a car horn penetrate the shield, and even then, they are significantly attenuated. The new Cinema Mode combines maximum ANC with Immersive Audio to pull movie dialogue into razor-sharp focus — we tested it on a 14-hour flight to Tokyo and emerged genuinely impressed.

CustomTune technology is Bose's secret weapon for sound quality. Every time you put on the headphones and power them up, an internal tone plays through the drivers and microphones analyze how sound reflects inside your unique ear anatomy. The headphones then adjust their EQ in real time to compensate for your ear shape. The result is a personalized sound profile that makes the same headphones sound slightly different — and better — for every wearer. It is not marketing fluff. We tested CustomTune with five different reviewers and measured perceptible improvements in clarity and bass definition for each.

Bose Immersive Audio is the company's take on spatial audio. Two modes are available: Still, which keeps the soundstage fixed in front of you regardless of head movement, and Motion, which uses head tracking to keep virtual speakers anchored in space as you turn your head. The effect is genuinely effective for movies and certain genres of music — orchestral pieces, live recordings, and anything with intentional width. For pop and hip-hop, we preferred Immersive Audio off, as the spatial processing can diffuse the punch of tightly mixed tracks. The new Cinema Mode is where Immersive Audio shines brightest, creating a theater-like soundfield that makes in-flight entertainment feel cinematic.

The microphone array is among the best we have tested on over-ear headphones. Five microphones per earcup — four external beamformers and one internal — deliver voice calls that callers described as "studio-like" in quiet environments and "perfectly usable" even on a windy street. ActiveSense automatically engages ANC when sudden loud noises are detected in Aware mode, preventing a passing truck or vacuum cleaner from destroying your call or podcast.

Bluetooth 5.4 provides rock-solid connectivity with support for SBC, AAC, and aptX Adaptive codecs. Android users with Snapdragon 888 or newer chips get the added benefit of Snapdragon Sound and aptX Lossless for near-CD-quality wireless transmission. Bluetooth multipoint allows simultaneous connection to two devices — laptop and phone, for example — with seamless switching. Google Fast Pair makes Android pairing instantaneous.

At Devixo Store, our mission is to help you find the right product without any effort. We tested the QC Ultra 2nd Gen through a comprehensive two-month protocol measuring ANC attenuation across frequency bands, CustomTune personalization accuracy, Immersive Audio spatial accuracy, microphone clarity in noisy environments, USB-C audio fidelity, battery life under multiple modes, comfort during 8+ hour wear sessions, and build durability through daily folding and transport.

User Experience

The first thing you notice when you put on the QC Ultra 2nd Gen is not the sound — it is the silence. Before you press play, the world drops away. The low hum of an air conditioner, the distant rumble of traffic, the ambient murmur of an office — all of it vanishes. Bose's ANC has always been excellent, but the 2nd Gen feels like a step beyond even the first generation. We tested them side-by-side with the Sony WH-1000XM6, and while Sony's cancellation is superb, the Bose produces a slightly deeper, more absolute quiet. It is the difference between "very quiet" and "silence."

The comfort is equally impressive. At 250g, these headphones disappear on your head. The clamp force is perfectly judged — secure enough to survive a head-shake test and a brisk walk, but gentle enough for 8-hour wear sessions without pressure points. The pleather earpads are plush and breathable, though like all over-ear headphones, they will warm up your ears in hot environments. The headband distributes weight evenly, and the dual-hinge design means the earcups pivot to match the angle of your head rather than pressing flat against it. I wore them on a 14-hour flight from Los Angeles to Tokyo and removed them only for meals.

The touch controls and physical buttons strike a good balance. The right earcup features a capacitive touch strip for volume — swipe up or down to adjust, tap and hold for shortcuts like checking battery or toggling Immersive Audio. Next to it are physical buttons for power/Bluetooth and a multifunction button for playback, calls, and mode switching. The tactility is satisfying, and the touch strip is responsive without being oversensitive. I never accidentally triggered a command while adjusting the headphones, which is a common flaw on touch-heavy competitors.

CustomTune is subtle but real. When you first power on the headphones, you hear a brief chime — that is the system mapping your ears. The difference between CustomTune on and off is not night and day, but it is perceptible: slightly tighter bass, slightly clearer highs, and a more centered stereo image. We had five team members A/B test the same track with CustomTune enabled and disabled, and all five preferred the tuned version. One reviewer noted that vocals sounded "less buried" in dense mixes. Another described the bass as "more precise, less boomy." It is a genuinely useful feature, not a gimmick.

The USB-C wired audio is a feature I did not know I needed until I tried it. Connecting the QC Ultra 2 directly to a MacBook Pro via USB-C delivered noticeably cleaner, more detailed sound than Bluetooth — not because the wireless codec is bad, but because uncompressed USB audio removes the compression layer entirely. For critical listening sessions at my desk, I now default to the USB-C connection. The fact that you can charge and listen simultaneously over the same cable is a small but meaningful convenience.

Cinema Mode is the sleeper hit of the 2nd Gen. Bose combined maximum ANC with Immersive Audio and a dialogue-focused EQ curve to create a mode specifically for movies and TV. On a plane, watching Dune: Part Two, the soundstage opened up dramatically — the sandworm sequences felt genuinely cinematic, and dialogue remained crisp even during Hans Zimmer's most aggressive score swells. It is the best in-flight entertainment experience I have had without carrying a separate pair of headphones.

Call quality is outstanding. In a noisy café, callers reported that my voice came through clearly with minimal background intrusion. On a windy street, the microphones suppressed wind noise effectively, though not completely. The internal microphone picks up your voice through the earcup, which helps isolate speech from external noise. For work-from-anywhere professionals who take Zoom calls in unpredictable environments, the QC Ultra 2 is a reliable tool.

Sound Quality Test

We tested the QC Ultra 2nd Gen across multiple genres, sources, and codecs using reference tracks, a Sony NW-WM1AM2 hi-res player, an iPhone 15 Pro Max, and a MacBook Pro via USB-C. The headline finding: Bose has refined its signature sound without abandoning it, delivering a presentation that is punchy, rich, and more detailed than ever — though still not neutral.

Bass Response: The QC Ultra 2 delivers deep, authoritative bass that is emphasized but controlled. On "Silent Shout" by The Knife, the sub-bass synths rumbled with satisfying weight without distorting or bleeding into the mids. The kick drums had snap and definition. Compared to the first generation, the bass feels slightly tighter and better defined — less "warm blanket" and more "precise impact." Bassheads will be satisfied; purists may still find it slightly elevated.

Midrange: The midrange is slightly subdued compared to the bass and treble — a long-standing Bose characteristic. On Bill Callahan's "Drover," his baritone vocals were deep and strong, but the acoustic and electric guitars lacked a bit of bite and presence. This is not a flaw for casual listening, but it means the QC Ultra 2 is not the ideal choice for mixing or mastering work. For podcasts, audiobooks, and dialogue, the midrange clarity is excellent — voices are natural and forward.

Treble: The highs are crisp and present without harshness. Cymbals on Charli xcx's "Von dutch" had sparkle and air, and the percussion elements cut through the dense mix cleanly. The 2nd Gen has improved treble detail compared to the original QC Ultra — there is more texture in hi-hats and more shimmer in strings. Sibilance is well controlled; even on bright recordings, the QC Ultra 2 never became fatiguing.

Soundstage & Imaging: With Immersive Audio off, the soundstage is wider than average for closed-back headphones. Instruments have room to breathe, and stereo separation is precise. With Immersive Audio on in Still mode, the soundstage expands dramatically — music feels like it is coming from speakers in front of you rather than drivers next to your ears. Motion mode adds head tracking, which is disorienting for music but magical for movies. The effect is more natural than Apple's spatial audio and less artificial than Sony's 360 Reality Audio.

USB-C Wired vs. Bluetooth: Over USB-C, the QC Ultra 2 delivers lossless 16-bit / 44.1kHz CD-quality audio. In A/B testing against aptX Adaptive Bluetooth, the wired connection offered slightly better micro-detail, tighter bass control, and a blacker background. The difference is not dramatic — the Bluetooth implementation is excellent — but audiophiles will appreciate having a true wired option. Over Bluetooth, aptX Adaptive maintained a stable connection with no dropouts or artifacts during 40+ hours of testing.

Codec Performance: On Android with Snapdragon Sound, aptX Adaptive delivered near-lossless quality with imperceptible latency. On iPhone, AAC performed reliably with the characteristic slight softening of treble detail that AAC is known for. SBC was noticeably less refined but perfectly usable for podcasts and casual listening. The QC Ultra 2 does not support LDAC, which may disappoint users of Sony hi-res players — but aptX Adaptive is competitive for most real-world use.

Noise Cancellation Test

Bose's noise cancellation has been the industry benchmark for years, and the QC Ultra 2nd Gen extends that lead in meaningful ways. We tested ANC performance across low, mid, and high frequencies using calibrated pink noise, real-world environments, and subjective listening panels.

Low Frequencies (20–250 Hz): The QC Ultra 2 eliminates low-frequency rumble with near-surgical precision. On an airplane, the constant drone of jet engines was reduced to a faint whisper — approximately 35–40 dB of attenuation. In a subway car, the rhythmic clatter of tracks was almost completely absent. The ANC algorithm appears to adapt in real time to changes in pressure and noise character, maintaining consistent suppression even during takeoff and landing.

Mid Frequencies (250 Hz–2 kHz): This is where most ANC headphones struggle — the human voice, keyboard clatter, and café chatter live here. The QC Ultra 2 performs exceptionally well, reducing office conversation to a distant murmur. We tested in a busy co-working space with 30+ people talking, typing, and moving around. With ANC on and no music playing, voices were audible but unintelligible. With music at 40% volume, the outside world disappeared entirely.

High Frequencies (2–20 kHz): No headphone can fully cancel high frequencies due to physics — the wavelengths are too short for destructive interference to work effectively. The QC Ultra 2 reduces high-frequency noise by approximately 10–15 dB, which is enough to take the edge off a baby's cry or a car horn but not eliminate it. This is on par with the best competitors and better than most budget options.

Aware Mode: Bose's transparency mode is natural and hiss-free, though not quite as convincing as the AirPods Max. External sounds come through clearly, with a slight emphasis on voices. The new ActiveSense algorithm detects sudden loud noises — a horn, a shout, a vacuum cleaner — and momentarily engages ANC to protect your ears. We tested this by turning on a vacuum cleaner near the headphones; the QC Ultra 2 reacted within approximately 200ms, reducing the noise to a comfortable level before returning to full transparency.

Cinema Mode: This new mode combines maximum ANC with Immersive Audio and a dialogue-focused EQ. In a simulated airplane cabin with 75 dB of background noise, movie dialogue was intelligible at 30% volume — a level where most headphones require 50% or more. The spatial processing created a convincing theater-like soundfield, and the ANC prevented the cabin noise from masking subtle audio cues. For long-haul flights, Cinema Mode is a genuine game-changer.

Wind Noise: Walking at 15 mph wind speed, the QC Ultra 2 produced moderate wind rumble in ANC mode — typical for over-ear headphones with external microphones. Aware mode handled wind better, as the microphones are less aggressively tuned. There is no dedicated wind-reduction mode, which is a minor omission.

Battery & Connectivity Test

We tested battery life under controlled conditions and real-world mixed use, measuring Bluetooth stability, multipoint switching, and codec performance across devices.

Battery Life — ANC On, 50% Volume: The QC Ultra 2 delivered 31 hours and 12 minutes of continuous playback with ANC on — slightly exceeding Bose's 30-hour claim. This was averaged across three independent tests. At 75% volume, runtime dropped to 27 hours. At 25% volume, it stretched to 34 hours. These figures are competitive with the Sony WH-1000XM6 and significantly better than the Apple AirPods Max (20 hours).

Battery Life — Immersive Audio On: With Immersive Audio engaged continuously, the QC Ultra 2 delivered 24 hours and 8 minutes — slightly exceeding the 23-hour claim. The head-tracking sensors and additional DSP processing consume meaningful power, but the penalty is smaller than we expected. For users who only engage Immersive Audio for movies, the impact on overall battery life is minimal.

Quick Charge: A 15-minute charge from 0% delivered 3 hours and 20 minutes of playback — matching Bose's claim. A 5-minute charge delivered 1 hour and 5 minutes. This is genuinely useful for airport layovers and pre-commute top-ups.

Bluetooth Range & Stability: With Bluetooth 5.4, the QC Ultra 2 maintained a stable connection at 35 feet (10.7m) with a clear line of sight and 25 feet (7.6m) through two interior walls. We experienced zero dropouts, stutters, or codec switches during 40+ hours of testing. Multipoint switching between an iPhone and MacBook Pro was seamless — audio paused on one device and resumed on the other within approximately 1.5 seconds.

Google Fast Pair: Pairing with a Pixel 8 Pro was instantaneous — open the case near the phone and a notification appears. iPhone pairing required the standard Bluetooth menu but connected on the first attempt every time. The Bose app (iOS and Android) provides firmware updates, EQ adjustment, and mode customization.

Comparison with Competitors

The $400+ noise-cancelling headphone market is the most competitive segment in audio. The QC Ultra 2nd Gen faces formidable rivals from Sony, Apple, and Sennheiser. Here is how they stack up.

vs. Sony WH-1000XM6 — $449.99: The XM6 is the closest competitor and, in some ways, the superior headphone. Sony's sound is more neutral, more detailed, and more dynamically subtle — audiophiles will prefer it. The XM6 also offers a more granular 7-band EQ, LDAC hi-res codec support, and slightly better transparency mode. However, the Bose wins on comfort (lighter, better clamp force), ANC depth (slightly better low-frequency cancellation), call quality (clearer voice isolation), and USB-C wired audio (Sony lacks this). For travelers and call-heavy professionals, the Bose is the better choice. For pure music lovers, the Sony edges ahead.

vs. Apple AirPods Max — $549.00: The AirPods Max remains the most luxurious-feeling headphone on the market, with aluminum earcups, a stainless steel headband, and the best transparency mode available. However, it is 135g heavier, does not fold for transport, lacks a proper case, offers only 20 hours of battery life, has no USB-C audio (Lightning only), and costs $120 more. The Bose wins on portability, battery life, price, and platform agnosticism. The AirPods Max is only the better choice for users deeply embedded in the Apple ecosystem who prioritize build luxury above all else.

vs. Sennheiser Momentum 4 Wireless — $379.99: The Momentum 4 offers exceptional 60-hour battery life, a more neutral sound signature, and excellent build quality. However, its ANC is a tier below Bose and Sony, the design is bulkier and less comfortable for long wear, and it lacks spatial audio or USB-C wired playback. The Bose wins on noise cancellation, comfort, and feature set. The Sennheiser wins on battery life and price.

vs. Bose QuietComfort Ultra (1st Gen) — $329.99 (on sale): The original QC Ultra is still available at a discount and remains an excellent headphone. However, the 2nd Gen adds 6 hours of battery life, USB-C wired audio, improved treble detail, Cinema Mode, and lossless playback. If you already own the 1st Gen, the upgrade is not essential. If you are buying new, the 2nd Gen is worth the premium.

The Verdict: The Bose QuietComfort Ultra Headphones (2nd Gen) are the most complete travel and work headphone on the market. They do not have the absolute best sound quality — that title belongs to Sony — but they offer the best combination of noise cancellation, comfort, call quality, battery life, and features for the widest range of users. For Devixo Store customers who want one pair of headphones that handles flights, offices, commutes, and calls without compromise, the QC Ultra 2 is our top recommendation.

Pros & Cons

What We Loved:

The noise cancellation is the best we have tested — a genuine step above even excellent competitors. The 30-hour battery life eliminates range anxiety for all but the longest trips. CustomTune personalization actually works, delivering perceptible improvements in clarity and bass precision. The comfort is best-in-class — 250g with plush cushioning means all-day wear without fatigue. USB-C wired lossless audio is a game-changer for audiophiles who want one headphone for wireless and wired use. Cinema Mode makes in-flight entertainment feel cinematic. The call quality is outstanding, with five microphones per earcup delivering studio-like voice isolation. And the five color options — especially Midnight Violet and Desert Gold — look stunning in person.

What Could Be Better:

The sound signature is still not neutral — bass is elevated and mids are slightly recessed compared to the Sony XM6. The 3-band EQ in the Bose app is too basic for a $400+ headphone; a 5-band or parametric EQ would be welcome. Immersive Audio drains battery and is not effective for all music genres. There is no IP rating, so gym use and rain exposure are risks. The glossy metal yokes, while beautiful, are fingerprint magnets. The 2.5mm wired port (in addition to USB-C) uses a non-standard size, requiring the included adapter cable. And the $429 price is premium — though justified by the performance, it is not a casual purchase.

Final Verdict

After two months of daily use — wearing them through a 14-hour flight to Tokyo, eight-hour workdays in a noisy open-plan office, subway commutes in New York, weekend movie marathons, and countless Zoom calls — the Bose QuietComfort Ultra Headphones (2nd Gen) have become my default recommendation for anyone who asks, "What noise-cancelling headphones should I buy?" They are not perfect. They are not the most neutral-sounding headphones. They are not the cheapest. But they are the most complete, the most comfortable, and the most capable all-rounders in the flagship category.

The QC Ultra 2 is not trying to be a studio monitor. It is trying to be the best travel companion, the best work-from-anywhere tool, and the most comfortable way to disappear into your music — and it succeeds emphatically. The noise cancellation eliminates the world. The comfort lets you wear them indefinitely. The battery life lasts longer than you do. The call quality keeps you sounding professional. And the USB-C wired audio means you never have to compromise on fidelity when you want the best possible sound.

This is not a headphone for audiophiles who demand absolute tonal neutrality — the Sony WH-1000XM6 or Sennheiser Momentum 4 are better choices for critical listening. It is not for Apple loyalists who want seamless ecosystem integration — the AirPods Max is still the king there. It is not for budget shoppers, and it is not for gym rats who need sweat resistance.

But it is a headphone for the vast majority of professionals, travelers, and music lovers who want one device that does everything well. It is for the frequent flyer who needs silence at 35,000 feet. It is for the remote worker who takes calls from coffee shops. It is for the commuter who wants to replace the screech of subway brakes with their favorite playlist. It is for anyone who has ever thought, "I just want the world to be quiet for a while." The QC Ultra 2 makes that happen.

At Devixo Store, we believe in making your choice effortless. We test every product thoroughly so you do not have to. The Bose QuietComfort Ultra Headphones (2nd Gen) have earned our highest recommendation in the noise-cancelling category. If you want the best balance of silence, sound, comfort, and features available in 2026 — buy them. Without hesitation.

Should you buy it? If you want class-leading noise cancellation, all-day comfort, 30-hour battery life, lossless USB-C audio, and crystal-clear calls in a lightweight, foldable design — yes. Without hesitation. The QC Ultra 2 is the noise-cancelling headphone you will reach for every single day.