Request a product

Bose QuietComfort Ultra Earbuds vs Anker soundcore Liberty 4 Pro

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

Better figure, where one is clearly better

BoseQuietComfort Ultra EarbudsAnker soundcoreLiberty 4 Pro
Overview
ReleasedOctober 2023October 2024
Sound
TypeIn-earIn-ear
Noise cancellingYesYes
Transparency modeYesYes
Spatial audio with head trackingYesYes
Driver size–10.5 mm
Bluetooth codecsSBC, AAC and aptX AdaptiveSBC, AAC and LDAC
Drivers–10.5 mm and 4.6 mm drivers with digital crossover
Noise cancelling detailQuiet Mode (full noise cancelling), Aware Mode and Immersion Mode, plus custom modes with noise cancelling levels in between; CustomTune tailors sound and noise cancelling to your earsSix microphones and an air-pressure sensor; cancellation adjustable in the app or case
Audio featuresBose Immersive Audio (Still keeps the sound in place as you turn your head; Motion lets it follow); three-band EQ in the Bose app; aptX Adaptive with Snapdragon Sound devices, normally at 44.1 kHz and up to 48 kHz for high-resolution listening, with a low-latency modeHearID 4.0; fixed and head-tracking spatial audio. SBC, AAC and LDAC confirmed by SoundGuys and Tom's Guide
Hearing health–Optional Safe Volume limit
Battery
Listening time (maker's claim)Up to 6 hoursUp to 7.5 hours
With the caseUp to 24 hoursUp to 30 hours
Wireless chargingNoYes
Battery life detailUp to 6 hours per charge with Immersive Audio off, 4 hours with it on; the case holds three full charges; tested by Bose at 75 dB SPL in Quiet ModeANC or Transparency gives 7.5 hours, 30 including the case; Normal gives ten and 40. SoundGuys measured 5 hours 42 minutes with ANC and dates release to 3 October 2024
Charging caseUSB-C; earbuds charge in up to 2 hours, the case in up to 3 hours; an optional silicone case cover (sold separately) adds wireless chargingUSB-C or wireless; buds recharge in 1.5 hours, case in 2.5 by cable or 3.5 wirelessly; display with separate touch bar
Fast charging20 minutes in the case gives up to 2 hours of playbackFive minutes provides up to four hours
Design
Weight (each earbud)7.7 g5.5 g
Water and sweat resistanceIPX4IPX5
Bluetooth5.35.3
Two devices at onceYesYes
ControlsTouch surface on each earbud (tap to play, pause or answer calls; double-tap to skip forward or end calls; triple-tap to skip back; swipe up or down for volume; touch and hold for a shortcut to switch modes or the voice assistant)Pinch stems for playback and calls; slide for volume; configurable in the app
MicrophonesAdaptive microphone system with adjustable self-voice; TechRadar counts four microphones per earbud–
Fit and ear tipsSilicone eartips in small, medium and large (medium fitted); stability bands in sizes 1, 2 and 3 (size 1 fitted), with a notch that aligns them on the earbud; extra-small and extra-large sizes available from Bose Support; either earbud can be used on its ownSilicone tips and app Fit Test
Case weight0.132 lb (about 60 g)51 g (SoundGuys)
Dimensions–Buds 25 × 32 × 22 mm; case 65 × 62 × 30 mm (SoundGuys)
Water resistance detailIPX4 for the earbuds; the inside of the case resists water left on the earbuds, but Bose advises keeping the outside of the case dryIPX5 for earbuds; maker spec takes precedence over an unlabelled comparison column showing IP55
Works withBose app (launched with Bose Music) for iOS and Android; multipoint connection to two devices since a July 2024 update; Google Fast Pair; SimpleSync with Bose smart soundbars and speakersEither bud works independently; soundcore app for Android and iOS
ColoursBlack and White Smoke at launch; Bose UK now sells Lunar Blue–
In the boxEarbuds, charging case, eartips (small and large; medium fitted), stability bands (sizes 2 and 3; size 1 fitted), USB-C to USB-A cable–

More comparisons