Wireless Earbuds
Sennheiser MOMENTUM True Wireless 4
8.5SoundGuys scoreRead our review ›
$179.95at Amazon
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Anker Soundcore
Anker Soundcore Liberty 4
ANC, battery, and bass, what else do you need?
Noise Isolation / ANC & sound
4.3/ 10
4.3
0.010.0
A 4.3 puts its noise isolation / ANC in the bottom third of wireless earbuds we've measured.
Measured on 133 of the 271 we've cataloged.
4.9/ 5
SoundMDAQS Overall4.9
1.05.0
A 4.9 puts its audio quality in the top quarter of wireless earbuds we've measured.
Measured on 64 of the 271 we've cataloged.
Key specs
Battery Life With Case
50 hAbove average50 h
7 h60 h
above average for wireless earbuds — based on 245 of 271 we've cataloged.
IP Rating
IPX4Most commonIPX433%IP5516%IP5415%IPX512%
IPX4 is the most common — on 33% of the 244 wireless earbuds we've cataloged (of 271).
Battery
- Battery Life With Case
- 50 h
- Charging Method
- USB-C + Wireless
- Full Charge Minutes
- 180 min
- Battery Life Anc On
- 9.85 h
- Fast Charging
- Yes
Build
- IP Rating
- IPX4
- Water Resistance
- Yes
Connectivity
- Bluetooth Version
- 5.3
- Bluetooth Codec
- AAC, LDAC, SBC
- Connection Type
- Bluetooth
- Headphone Jack
- No
- Multipoint Devices
- 2 devices
Design
- Case Dimensions
- 55 x 30 x 55 mm mm
- Color Options
- Black, blue, pink, white
- Ear Tip Sizes Included
- 4 sizes
- Weight Per Earbud
- 5.7 g
Features
- Companion App
- IOS + Android
- Control Type
- Touch controls
- Eq Customization
- Presets only
- Auto Pause
- Yes
- Mono Mode
- Yes
- Voice Assistant Support
- Google Assistant, Alexa, Siri
Identity
- Model Number
- A3947
Microphone
- Count
- 6
- Noise Reduction Type
- AI-powered
- Type
- Dual microphone
Release
- Date
- 2023-06-20
- Msrp Usd
- 99.99 USD
- Year
- 2023
Sound
- Ambient Mode
- Adjustable level
- Anc Modes
- Off,anc,transparency,adaptive,wind_reduction
- Driver Count
- 1
SoundGuys review
Read the full review ›Noise cancelling8.4
Isolation4.3
Battery life7.5
Comfort & fit8.1
Connectivity8.0
Design7.5
The verdict
These are definitely a contender for some of the best affordable noise canceling earbuds based on performance and value. With an IPX4 rating, long battery life, and good ANC, these are worth a go. You might not want to go for a run with them, but otherwise they're decent.
✓What we like
✓Price
✓ANC
✓Battery life
✓LDAC, AAC, SBC codecs
✓IPX4
✓Fast pair
✕What could be better
✕Chunky case
✕Many EQ presets are too bassy
Lab data
How we test ›Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.
Anker Soundcore Liberty 4SoundGuys Headphone Preference Curve
Measured frequency response (dB) against the SoundGuys house target — the dashed curve. The closer the measured line tracks the target, the more neutral the tuning; peaks ride above the target, dips fall below it.
Frequency response — measurement data
| Frequency (Hz) | Response (dB) |
|---|---|
| 20 | 11.2 |
| 25 | 11.2 |
| 32 | 10.9 |
| 40 | 10.8 |
| 50 | 10.7 |
| 63 | 10.5 |
| 80 | 9.5 |
| 100 | 7.4 |
| 125 | 4.9 |
| 160 | 2.0 |
| 200 | 0.6 |
| 250 | -0.3 |
| 315 | -0.9 |
| 400 | -1.7 |
| 500 | -2.6 |
| 630 | -1.1 |
| 800 | -0.1 |
| 1000 | 0.0 |
| 1250 | 0.5 |
| 1600 | 2.7 |
| 2000 | 4.8 |
| 2500 | 7.3 |
| 3150 | 8.0 |
| 4000 | 6.8 |
| 5000 | 8.6 |
| 6300 | 9.7 |
| 8000 | 9.9 |
| 10000 | -0.1 |
| 12500 | 1.7 |
| 16000 | -2.9 |
| 20000 | -30.7 |
Anker Soundcore Liberty 4
Passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.
Passive isolation — measurement data
| Frequency (Hz) | Attenuation (dB) |
|---|---|
| 21 | 1.8 |
| 26 | 1.7 |
| 33 | 2.2 |
| 41 | 2.6 |
| 52 | 2.8 |
| 65 | 3.4 |
| 82 | 4.2 |
| 103 | 4.2 |
| 130 | 4.7 |
| 163 | 4.0 |
| 205 | 6.2 |
| 259 | 7.3 |
| 325 | 7.2 |
| 410 | 7.7 |
| 516 | 5.3 |
| 613 | 8.0 |
| 772 | 14.3 |
| 972 | 15.1 |
| 1220 | 14.9 |
| 1540 | 14.9 |
| 1940 | 19.6 |
| 2440 | 25.1 |
| 3070 | 25.5 |
| 3870 | 21.7 |
| 4870 | 18.2 |
| 6130 | 21.6 |
| 7720 | 31.1 |
| 9720 | 31.7 |
| 12200 | 34.5 |
| 15400 | 33.8 |
| 19400 | 37.1 |
Anker Soundcore Liberty 4
Total attenuation (dB) with ANC on — passive isolation plus active noise cancelling. Higher on the chart means more attenuation.
Noise cancelling — measurement data
| Frequency (Hz) | Total attenuation (dB) |
|---|---|
| 21 | 0.1 |
| 26 | 14.3 |
| 33 | 26.3 |
| 41 | 33.8 |
| 52 | 30.1 |
| 65 | 30.8 |
| 82 | 29.8 |
| 103 | 29.6 |
| 130 | 28.1 |
| 163 | 26.2 |
| 205 | 31.1 |
| 259 | 24.9 |
| 325 | 18.2 |
| 410 | 17.8 |
| 516 | 15.3 |
| 613 | 14.5 |
| 772 | 24.8 |
| 972 | 22.3 |
| 1220 | 19.5 |
| 1540 | 17.3 |
| 1940 | 26.7 |
| 2440 | 31.7 |
| 3070 | 25.3 |
| 3870 | 24.0 |
| 4870 | 20.4 |
| 6130 | 30.7 |
| 7720 | 30.2 |
| 9720 | 31.5 |
| 12200 | 33.3 |
| 15400 | 28.2 |
| 19400 | 38.3 |
Anker Soundcore Liberty 4
4.9
3.9
4.8
4.9
Multi-Dimensional Audio Quality Scores (1–5), modeled from the measured response. Higher is better across timbre, distortion, and immersiveness — add other models to see where this one lands.
Related comparisons
Browse all versus ›See how the Anker Soundcore Liberty 4 stacks up against the competition.
Video reviews and comparisons for this product.
Features & Opinions
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