Anker soundcore Liberty 4 Pro vs Anker soundcore P40i

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Liberty 4 Pro compared with P40i

	Anker soundcoreLiberty 4 Pro	Anker soundcoreP40i
Overview
Released
Released	October 2024	February 2024
Sound
Type
Type	In-ear	In-ear
Noise cancelling
Noise cancelling	Yes	Yes
Transparency mode
Transparency mode	Yes	Yes
Spatial audio with head tracking
Spatial audio with head tracking	Yes	–
Driver size
Driver size	10.5 mm	11 mm
Bluetooth codecs
Bluetooth codecs	SBC, AAC and LDAC	SBC and AAC
Drivers
Drivers	10.5 mm and 4.6 mm drivers with digital crossover	11 mm composite drivers with BassUp processing
Noise cancelling detail
Noise cancelling detail	Six microphones and an air-pressure sensor; cancellation adjustable in the app or case	Adaptive ANC, manual cancellation and wind-noise reduction; ANC is on by default. Transparency mode is also available
Audio features
Audio features	HearID 4.0; fixed and head-tracking spatial audio. SBC, AAC and LDAC confirmed by SoundGuys and Tom's Guide	HearID, adjustable EQ and 22 presets; Game Mode reduces delay with possible sound-quality and feature compromises. SBC, AAC and Bluetooth 5.3 are confirmed by SoundGuys and Scarbir; no LDAC
Hearing health
Hearing health	Optional Safe Volume limit	Safe Volume monitoring and an optional high-volume limit in the soundcore app
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 7.5 hours	Up to 10 hours
With the case
With the case	Up to 30 hours	Up to 50 hours
Wireless charging
Wireless charging	Yes	Yes
Battery life detail
Battery life detail	ANC 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	Up to ten hours with ANC or Transparency and 50 including the case; Normal mode gives 12 and 60 hours. Calls give six-and-a-half hours with ANC or seven without. Maker testing uses default settings at 50% volume; SoundGuys lists a February 2024 release
Charging case
Charging case	USB-C or wireless; buds recharge in 1.5 hours, case in 2.5 by cable or 3.5 wirelessly; display with separate touch bar	USB-C and wireless charging; earbuds take around 50 minutes to recharge at 25 ± 3°C, case around three hours by cable or four wirelessly. Fold-out case tab supports a phone horizontally
Fast charging
Fast charging	Five minutes provides up to four hours	Ten minutes of charging provides up to five hours of playback
Design
Weight (each earbud)
Weight (each earbud)	5.5 g	–
Water and sweat resistance
Water and sweat resistance	IPX5	IPX5
Bluetooth
Bluetooth	5.3	5.3
Two devices at once
Two devices at once	Yes	Yes
Controls
Controls	Pinch stems for playback and calls; slide for volume; configurable in the app	Customisable single, double and triple taps and holds; touch area is at the logo. Opening the case powers the earbuds on; they cannot be manually powered on without it
Microphones
Microphones	–	Six microphones with AI call-noise reduction
Fit and ear tips
Fit and ear tips	Silicone tips and app Fit Test	Silicone tips and app Fit Test; SoundGuys' caption, prose and Scarbir disagree on supplied tip count, so no count is asserted. Maker does not publish an individual earbud weight
Case weight
Case weight	51 g (SoundGuys)	–
Dimensions
Dimensions	Buds 25 × 32 × 22 mm; case 65 × 62 × 30 mm (SoundGuys)	–
Water resistance detail
Water resistance detail	IPX5 for earbuds; maker spec takes precedence over an unlabelled comparison column showing IP55	IPX5 applies to the earbuds; no case rating is published
Works with
Works with	Either bud works independently; soundcore app for Android and iOS	Two-device Bluetooth and independent use of either earbud while the other is in the closed case; soundcore app for Android and iOS
Colours
Colours	–	Black, Oat White, Navy Blue and Purple
In the box
In the box	–	Earbuds, charging case, ear tips, USB-C charging cable and documentation (Scarbir)