Bose QuietComfort Headphones vs Bose QuietComfort Ultra Headphones (2nd Gen)

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

QuietComfort Headphones compared with QuietComfort Ultra Headphones (2nd Gen)
BoseQuietComfort HeadphonesBoseQuietComfort Ultra Headphones (2nd Gen)
Overview
ReleasedSeptember 2023September 2025
Sound
TypeOver-earOver-ear
Noise cancellingYesYes
Transparency modeYesYes
Spatial audio with head tracking–Yes
Bluetooth codecsSBC and AACSBC, AAC and aptX Adaptive
Lossless over USB-C–Yes
Noise cancelling detailQuiet Mode (full noise cancelling) and Aware Mode (full transparency), plus custom modes with adjustable noise cancelling in the Bose app; Wind Block can be added to any mode; microphones inside and outside the ear cupsQuiet Mode (full noise cancelling) and Aware Mode with ActiveSense, now smoother at damping sudden noise spikes; noise cancelling adjustable or fully off in the Bose app; CustomTune tailors sound and noise cancelling to your ears; wind block in custom modes
Audio featuresTriPort acoustic structure; three-band EQ (bass, mid-range, treble) with presets in the Bose appBose Immersive Audio (Still keeps the virtual speakers in place as you turn your head; Motion lets them follow) and Cinema Mode; up to seven custom modes; adjustable EQ in the Bose app; lossless USB-C audio at 16-bit, 44.1 or 48 kHz; aptX Adaptive with Snapdragon Sound devices, which Bose says adapts to lossless audio and low latency; Gaming Mode
Battery
Listening time (maker's claim)Up to 24 hoursUp to 30 hours
Battery life detailUp to 24 hours with noise cancelling on, tested by Bose at 75 dB SPL; the headphones don't play while chargingUp to 23 hours with Immersive Audio on; up to 45 hours with noise cancelling and Immersive Audio off; tested by Bose at 75 dB SPL; low-power standby when laid flat or put in the case; can be used while charging
Fast charging15 minutes gives up to 4 hours (Bose UK FAQ; Bose UK's comparison table says 2.5 hours); full charge in up to 2.5 hours (owner's guide and spec table; the FAQ says 2 hours)15 minutes gives up to 3 hours with noise cancelling on and Immersive Audio off (Bose's test footnote gives 2.5 hours); full charge in up to 3 hours
Design
Weight236 g (better)264 g
Bluetooth5.15.4
Two devices at onceYesYes
Headphone cableYesYes
ControlsPhysical buttons on the back of the ear cups; on the right, a Power/Bluetooth switch, volume up and down and a multi-function button (play, pause, skip, calls); on the left, an Action button for modes, customisable as a shortcut to Spotify Tap or battery levelOn the right ear cup, a Bluetooth/power button, a multi-function button (play, pause, skip, calls and modes) and a capacitive volume strip (swipe for volume; touch and hold for a shortcut to Immersive Audio settings, Spotify Tap or the voice assistant); on-head detection pauses and resumes audio, answers calls and wakes the headphones
MicrophonesBuilt-in microphones for calls; the audio cable has an in-line microphoneFour microphones for calls, two on each ear cup
Fit and ear tipsAround-ear (circumaural) with removable protein leather cushions; steel in the headband; metal and plastic build; folds for the carry caseAround-ear (circumaural) with an adjustable headband; removable protein leather cushions; plastic and aluminium build with polished metal yokes; folds for the carry case
Water resistance detailNo water resistance rating published–
Works withBose app (launched with Bose Music) for iOS and Android; multipoint connection to two devices; SimpleSync with Bose smart soundbars and speakers; Spotify TapBose app for iOS and Android; multipoint connection to two devices; Google Fast Pair; Spotify Tap; SimpleSync with a Bose Smart Soundbar or Bose Smart Speaker
ColoursBlack, White Smoke and limited-edition Cypress Green at launchBlack, White Smoke, Driftwood Sand and Midnight Violet at launch; Bose UK now also sells Cherry Chocolate, Desert Gold and Olive Green
In the boxHeadphones, carry case, 3.5 mm to 2.5 mm audio cable with microphone, USB-C (A to C) cable (30 cm), safety sheetHeadphones, carry case, 3.5 mm to 2.5 mm audio cable, USB-C to USB-C cable (99 cm), safety sheet

More comparisons