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Anker soundcore Liberty 4 NC vs Anker soundcore Liberty 4 Pro

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

Better figure, where one is clearly better

Anker soundcoreLiberty 4 NCAnker soundcoreLiberty 4 Pro
Overview
ReleasedJune 2023October 2024
Sound
TypeIn-earIn-ear
Noise cancellingYesYes
Transparency modeYesYes
Spatial audio with head tracking–Yes
Driver size11 mm10.5 mm
Bluetooth codecsSBC, AAC and LDACSBC, AAC and LDAC
Drivers11 mm custom-tuned drivers with a curved design10.5 mm and 4.6 mm drivers with digital crossover
Noise cancelling detailAdaptive ANC 2.0 responds to ear fit and surroundings; manual cancellation, transportation modes and wind-noise reduction. The UK page's unlabelled specification cards instead describe an open-ear model; the exact Liberty 4 NC description, comparison column and FAQ controlSix microphones and an air-pressure sensor; cancellation adjustable in the app or case
Audio featuresHearID 2.0, 22 presets and adjustable EQ; SBC and AAC are confirmed by SoundGuys and Tom's Guide. Low-latency gaming mode and 3D Surround Sound are described by the reviewsHearID 4.0; fixed and head-tracking spatial audio. SBC, AAC and LDAC confirmed by SoundGuys and Tom's Guide
Hearing healthSafe Volume monitoring and an optional limit in the soundcore app (SoundGuys)Optional Safe Volume limit
Battery
Listening time (maker's claim)Up to 8 hoursUp to 7.5 hours
With the caseUp to 40 hoursUp to 30 hours
Wireless chargingYesYes
Battery life detailUp to eight hours with ANC or Transparency, 40 including the case; Normal mode gives ten and 50 hours. LDAC with ANC gives five and 25 hours, or six and 30 without ANC. Maker testing uses 50% volume; SoundGuys lists a June 2023 releaseANC 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 and wireless charging; earbuds take around 1.5 hours to recharge, case around three hours by cable or 3.5 wirelesslyUSB-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 chargingTen minutes of charging provides up to four hours of playbackFive minutes provides up to four hours
Design
Weight (each earbud)–5.5 g
Water and sweat resistanceIPX4IPX5
Bluetooth5.35.3
Two devices at onceYesYes
ControlsCustomisable taps and long presses with wearing detection for automatic playback pause/resume; case pairing buttonPinch stems for playback and calls; slide for volume; configurable in the app
MicrophonesSix beamforming microphones with AI call-noise reduction–
Fit and ear tipsFour sizes of silicone ear tips and app Fit Test; SoundGuys lists 5.7 g for each earbud, while the current UK maker page publishes no weightSilicone tips and app Fit Test
Case weight1.53 ounces according to Tom's Guide51 g (SoundGuys)
Dimensions–Buds 25 × 32 × 22 mm; case 65 × 62 × 30 mm (SoundGuys)
Water resistance detailIPX4 applies to the earbuds; no case water-resistance rating is publishedIPX5 for earbuds; maker spec takes precedence over an unlabelled comparison column showing IP55
Works withTwo-device Bluetooth, disabled when LDAC is enabled; LDAC requires Android 8.0 or later and a firmware update. Google Fast Pair on Android (SoundGuys)Either bud works independently; soundcore app for Android and iOS
ColoursVelvet Black, Clear White, Navy Blue, Pastel Pink and Light Blue–
In the boxEarbuds, charging case, four ear-tip sizes and USB-A to USB-C cable (SoundGuys)–

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