Anker soundcore Liberty 4 NC vs Anker soundcore P40i

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Liberty 4 NC compared with P40i

	Anker soundcoreLiberty 4 NC	Anker soundcoreP40i
Overview
Released
Released	June 2023	February 2024
Sound
Type
Type	In-ear	In-ear
Noise cancelling
Noise cancelling	Yes	Yes
Transparency mode
Transparency mode	Yes	Yes
Driver size
Driver size	11 mm	11 mm
Bluetooth codecs
Bluetooth codecs	SBC, AAC and LDAC	SBC and AAC
Drivers
Drivers	11 mm custom-tuned drivers with a curved design	11 mm composite drivers with BassUp processing
Noise cancelling detail
Noise cancelling detail	Adaptive 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 control	Adaptive ANC, manual cancellation and wind-noise reduction; ANC is on by default. Transparency mode is also available
Audio features
Audio features	HearID 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 reviews	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	Safe Volume monitoring and an optional limit in the soundcore app (SoundGuys)	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 8 hours	Up to 10 hours
With the case
With the case	Up to 40 hours	Up to 50 hours
Wireless charging
Wireless charging	Yes	Yes
Battery life detail
Battery life detail	Up 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 release	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 and wireless charging; earbuds take around 1.5 hours to recharge, case around three hours by cable or 3.5 wirelessly	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	Ten minutes of charging provides up to four hours of playback	Ten minutes of charging provides up to five hours of playback
Design
Water and sweat resistance
Water and sweat resistance	IPX4	IPX5
Bluetooth
Bluetooth	5.3	5.3
Two devices at once
Two devices at once	Yes	Yes
Controls
Controls	Customisable taps and long presses with wearing detection for automatic playback pause/resume; case pairing button	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 beamforming microphones with AI call-noise reduction	Six microphones with AI call-noise reduction
Fit and ear tips
Fit and ear tips	Four 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 weight	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	1.53 ounces according to Tom's Guide	–
Water resistance detail
Water resistance detail	IPX4 applies to the earbuds; no case water-resistance rating is published	IPX5 applies to the earbuds; no case rating is published
Works with
Works with	Two-device Bluetooth, disabled when LDAC is enabled; LDAC requires Android 8.0 or later and a firmware update. Google Fast Pair on Android (SoundGuys)	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	Velvet Black, Clear White, Navy Blue, Pastel Pink and Light Blue	Black, Oat White, Navy Blue and Purple
In the box
In the box	Earbuds, charging case, four ear-tip sizes and USB-A to USB-C cable (SoundGuys)	Earbuds, charging case, ear tips, USB-C charging cable and documentation (Scarbir)