Bose has been doing this longer than anyone, and the QuietComfort Ultra shows it in the places that are hard to copy: the pressure distribution, the way transparency sounds, the fact that you forget you are wearing them. Then it adds a spatial audio mode that is either the headline feature or a battery tax, depending on who you ask.
Comfort
This is the part that sells the headphones. The headband spreads pressure evenly instead of clamping at two points, the cushions are soft without being hot, and the metal arms keep the weight low. Wearing glasses does not break the seal the way it does on stiffer designs. If you have ever taken headphones off after two hours because your ears ached, this is the pair to try.
Noise cancelling and CustomTune
Quiet Mode is excellent — not quite the deepest hush on aircraft rumble, but very even across frequencies, which matters more than a headline number. Aware Mode is the best transparency implementation on a full-size headphone; it sounds open rather than processed. CustomTune runs a short tone at power-on to measure your ear canal and adapts both the cancelling and the frequency response to it, which is why two people can disagree about how these sound.
CustomTune has a practical consequence worth knowing: it measures at power-on, so put the headphones on properly before you switch them on, not after. Turning them on in your hand and then settling them on your head means the measurement was taken against the air rather than against your ears. If a session sounds thin or the cancelling seems off, power cycle them while wearing them and it usually comes back.
Immersive Audio
Bose's spatial mode places the sound in front of you rather than inside your head, and unlike most spatial audio it works with any source — stereo, any app, any device. On film and live recordings it is genuinely convincing. On dense studio music it can smear detail, and it costs you battery: Bose rates twenty-four hours normally and eighteen with Immersive Audio on. The second-generation model raises those to thirty and twenty-three.
| Listening to | Immersive Audio |
|---|---|
| Films and television | On; this is what it is for |
| Live recordings and orchestral | On, usually convincing |
| Dense rock or electronic | Off; detail smears |
| Podcasts and audiobooks | Off; no benefit, costs battery |
| A long flight where battery matters | Off |
Sound and connectivity
The tuning is clean and slightly warm, less bass-forward than Sony's, and easy to listen to for long stretches. There is an equaliser in the Bose app but it is simpler than Sony's. Bluetooth 5.3 with multipoint holds two devices and switches without drama. aptX Adaptive is supported on compatible Android phones; there is no LDAC.
Comfort that lasts, and the pads
The pads are the wear item here as on every over-ear, and on a headphone bought specifically for comfort they matter more than usual. Expect two to three years of daily use before the foam flattens and the covering starts to go; both reduce comfort and cancelling at the same time, because a compressed pad no longer seals. Bose sells replacements, and fitting them is a two-minute job.
Two habits extend that. Store them in the case rather than hanging on a hook, since hanging leaves the pads compressed against the headband in one spot. And wipe them with a barely damp cloth after hot days; skin oils and sweat are what break down the covering, and alcohol wipes accelerate it rather than helping.
Where it falls short
Battery life is the weak spot: twenty-four hours is fine, but it is the lowest number in this group, and turning on the marquee feature drops it further. The touch strip for volume is less reliable than a physical control. And these are expensive even before you count the fact that they do not include a hard case upgrade or a USB audio mode.
Should you buy it?
Buy the QuietComfort Ultra if comfort over long sessions is your first requirement, or if you want the most natural-sounding transparency mode available. Skip it if you want the longest battery, the deepest cancelling number on paper, or the cheapest route to good noise control.
Key features
CustomTune
Plays a tone at start-up to measure your ear and adapt cancelling and EQ.
Immersive Audio
Places sound in front of you and works with any stereo source.
Aware Mode
Transparency that sounds open rather than microphone-fed.
ActiveSense
Clips sudden loud noises while you are in Aware Mode.
Bluetooth 5.3 with multipoint
Two devices connected at once, with aptX Adaptive on Android.
Even-pressure headband
Spreads weight across the crown instead of two contact points.
Pros & cons
What we like
- Best-in-class comfort over long wear
- Aware Mode sounds genuinely open
- CustomTune adapts cancelling to your ears
- Immersive Audio works with any app or source
- Even cancelling across frequencies, not just rumble
- Reliable two-device multipoint
What could be better
- 24-hour battery is the weakest here
- Immersive Audio cuts battery to about 18 hours
- Touch strip is fiddly compared with a button
Specifications
Frequently asked questions
It is Bose's spatial mode. It widens the stage and works with any app, but it costs about six hours of battery. Try it on film and live recordings first.
Bose rates 24 hours with cancelling on, or about 18 with Immersive Audio. The second-generation model raises that to 30 and 23.
It is more even across frequencies; Sony pulls ahead on mid-range voices. Most listeners will find both excellent and pick on comfort instead.
No. They use SBC, AAC and aptX Adaptive. LDAC is a Sony format.
Yes, with the included 2.5 mm to 3.5 mm cable. Immersive Audio still works when wired if the headphones are powered.
Yes. CustomTune measures your ear canal at power-on, so switching them on in your hand measures the air instead. If a session sounds thin, power cycle them while wearing them.
Films, television and live recordings, where it is genuinely convincing. Leave it off for dense studio music, podcasts and any long flight where the six hours it costs matter more.
Two to three years of daily use before the foam flattens. A compressed pad loses comfort and cancelling together, because it no longer seals. Bose sells replacements and fitting them takes two minutes.
Final verdict
The most comfortable cancelling headphones you can buy, with the most natural transparency mode. Battery life is the one number that lags the field.
What owners report
Gathered from what long-term owners consistently say, not from a single test.
Being able to wear them for hours is what almost every owner describes the same way: you forget they are on. Battery draining noticeably faster with Immersive Audio on is a repeated observation, and most people end up saving it for films. Switching between two connected devices can stutter occasionally, though updates have reduced it. The naturalness of the transparency mode is the detail that surprises people arriving from rival pairs.
Reader rating
Found this review helpful?
Pin it to one of your boards and come back to it whenever you need a reminder.
No comments yet.
Join the discussion. Comments are moderated before appearing.