Bose QuietComfort 20 vs Bose QuietComfort Ultra Headphones (2nd Gen)

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QuietComfort 20 compared with QuietComfort Ultra Headphones (2nd Gen)
BoseQuietComfort 20BoseQuietComfort Ultra Headphones (2nd Gen)
Overview
Released2013September 2025
Sound
TypeIn-earOver-ear
Noise cancellingYesYes
Transparency modeYesYes
Spatial audio with head tracking–Yes
Bluetooth codecsNone (wired)SBC, AAC and aptX Adaptive
Lossless over USB-C–Yes
Noise cancelling detailA microphone inside and outside each earbud feeds the noise-cancelling processor in the in-line module; Aware mode lets more surrounding sound through without stopping musicQuiet 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 featuresBose TriPort acoustic ports and Active EQ processing when poweredBose 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 16 hoursUp to 30 hours
Battery life detailBuilt-in rechargeable lithium-ion battery in the in-line module; around 16 hours from a two-hour USB charge; wired audio remains available with the power offUp 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 charging–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
Weight–264 g
Bluetooth–5.4
Two devices at once–Yes
Headphone cableYesYes
ControlsPower switch and status lights on the battery module; Aware mode and call controls on the cable remoteOn 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
MicrophonesTwo microphones per earbud for noise cancellation; an in-line microphone for callsFour microphones for calls, two on each ear cup
Fit and ear tipsStayHear+ tips rest at the entrance to the ear canal and come in three sizesAround-ear (circumaural) with an adjustable headband; removable protein leather cushions; plastic and aluminium build with polished metal yokes; folds for the carry case
Works with3.5 mm wired connection; QC20 has a single-button remote for most Android and other smartphones, while the contemporaneous QC20i has an Apple-compatible three-button remoteBose 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
ColoursGrey at launch; Black and White variants followed in 2015Black, White Smoke, Driftwood Sand and Midnight Violet at launch; Bose UK now also sells Cherry Chocolate, Desert Gold and Olive Green
In the boxEarbuds, three sizes of StayHear+ tips, clothing clip, USB charging cable and carrying caseHeadphones, carry case, 3.5 mm to 2.5 mm audio cable, USB-C to USB-C cable (99 cm), safety sheet

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