Connections
- Soundcore Liberty 4 Pro
- Charging case uses USB-C
- JBL Live Flex
- Uses USB-C
Earbud comparison
Compare sound, battery life, fit, controls and connections.
01Selected ![]() Soundcore Liberty 4 Pro
KSh 17,970In Stock | 02 ![]() JBL Live Flex
KSh 17,500In Stock |
|---|






The Soundcore Liberty 4 Pro has better water and dust protection (IP55) and offers case supports wireless charging and case wireless charging, while the JBL Live Flex lasts longer between charges (up to 40 hours) and has larger 12 mm drivers.
The main differences to help you choose.
| Priority | Soundcore Liberty 4 Pro | JBL Live Flex |
|---|---|---|
| Fit | Replaceable tips: XXS, XS, S, M, L, XL | Ear tips included |
| Weight | 5.5 g | 10.4 g per earbud |
| Battery life | Up to 40 hours with the case | Up to 40 hours |
| Controls | Squeeze and slide on earbud stems | Touch Control |
| Noise cancellation | Noise cancellation for listening | Noise cancellation for listening |
| Connections | Bluetooth 5.3 | Bluetooth 5.3 |
| Water resistance | IP55 water and dust resistance | IP54 water and dust resistance |
| Software | Works with the Soundcore app | Works with the JBL Headphones app |
| Charging time | Earbuds: up to 40 minutes | 2 hours from empty |
| Drivers | 10.5mm and 4.6mm dynamic drivers | 12 mm dynamic drivers |
| Impedance | 15.3Ω + 10.3Ω | 32Ω |
| App support | Soundcore app, supported settings and firmware updates | JBL Headphones app |
| Frequency response | 14Hz–40kHz | 20 Hz - 20 kHz |
| Transparency / ambient mode | Ambient sound level adjustment through app and case controls | Ambient Aware, TalkThru |
| Case type | Sliding-lid charging case with Smart Display and touch bar | Charging case |
| Case features | Smart Display, touch bar and app-configurable case functions | Standard charging case |
Tick a topic above to see how each product answers it.
Explore the full specifications, section by section.
| Specification | Soundcore Liberty 4 Pro | JBL Live Flex |
|---|---|---|
| Brand | Soundcore | JBL |
| Model | A3954HF1; A3954HG1; A3954H11; A3954H31; A3954H61; A3954H21 | Live Flex |
| Announced | 3 October 2024; Anker Japan launch announcement | 2023 |
| Type | True Wireless In-Ear Earbuds | True Wireless In-Ear Earbuds |
| Color | Glossy Black; Glossy Light Blue; Black; Blue; Green; White | Black, Blue, Rose |
| Specification | Soundcore Liberty 4 Pro | JBL Live Flex |
|---|---|---|
| Weight | 5.5g without case, as listed in UK technical table | 10.4g per earpiece |
| Specification | Soundcore Liberty 4 Pro | JBL Live Flex |
|---|---|---|
| Battery Life | ANC off: up to 10h earbuds / 40h total with case; ANC on: up to 7.5h / 30h total | Up to 40 hours; up to 6 hours with ANC on; up to 8 hours with ANC off |
| Charging Time | Earbuds: up to 40 minutes; case without earbuds: approximately 2.5h by cable / 3.5h wirelessly | 2 hours from empty |
| Fast Charging | Five-minute earbud charge provides up to four hours under stated conditions | Yes |
| Charging Port | USB-C on case | USB-C |
| Wireless Charging | Case supports wireless charging; compatible charger separate | No |
| Specification | Soundcore Liberty 4 Pro | JBL Live Flex |
|---|---|---|
| Connection | Bluetooth wireless audio | Bluetooth |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.3 |
| Bluetooth Range | Up to 10m under suitable conditions | — |
| Connector | USB-C charging port on case; wireless Bluetooth audio | Wireless audio connection |
| App Support | soundcore app; supported settings and firmware updates | JBL Headphones app |
| Multipoint Connection | — | Yes |
| Cable Length | — | No audio cable |
| Specification | Soundcore Liberty 4 Pro | JBL Live Flex |
|---|---|---|
| Sensors | Six sound sensors and one barometric pressure sensor; wearing detection | — |
| Special Features | Smart case; wearing detection; HearID 4.0; Spatial Audio options | True Wireless |
| Voice Assistant | — | Yes |
| Specification | Soundcore Liberty 4 Pro | JBL Live Flex |
|---|---|---|
| Drivers | 10.5mm and 4.6mm dynamic drivers; ACAA with titanium-coated tweeter and digital crossover | 12 mm dynamic drivers |
| Frequency Response | 14Hz–40kHz | 20 Hz - 20 kHz |
| Impedance | 15.3Ω + 10.3Ω | 32Ω |
| Audio Codecs | SBC, AAC, LDAC; LDAC requires compatible device and cannot be used with dual connections or Spatial Audio simultaneously | — |
| Active Noise Cancellation | Adaptive ANC 3.0; seven sensors; adjustments described every 0.3 seconds | True Adaptive Noise Canceling |
| Transparency / Ambient Mode | Ambient sound level adjustment through app and case controls | Ambient Aware, TalkThru |
| Microphones | Six microphones with AI noise reduction and wind-noise processing | 6 microphones |
| Audio Features | ACAA dual-driver system; HearID 4.0; custom equaliser | Voice Aware |
| Spatial Audio | — | Spatial Sound |
| Specification | Soundcore Liberty 4 Pro | JBL Live Flex |
|---|---|---|
| Case Type | Sliding-lid charging case with Smart Display and touch bar | Charging case |
| Case Battery Life | 40h total including earbuds with ANC off; 30h total with ANC on | — |
| Case Charging | USB-C cable or compatible wireless charger; input 5V 1A | USB-C |
| Case Charging Port | USB-C | USB-C |
| Case Wireless Charging | Supported | No |
| Case Features | Smart Display, touch bar and app-configurable case functions | Standard charging case |
| Case Weight | — | 52g |
| Case Water & Dust Resistance | — | IPX2 |
| Specification | Soundcore Liberty 4 Pro | JBL Live Flex |
|---|---|---|
| Controls | Squeeze and slide on earbud stems; case touch bar; supported app settings | Touch Control |
| Water & Dust Resistance | IP55 earbuds, per model-specific user guide; not a case protection rating | IP54, Water resistant |
| Ear Tips / Ear Cushions | Replaceable tips: XXS, XS, S, M, L, XL; M attached initially | Ear tips included |
| Specification | Soundcore Liberty 4 Pro | JBL Live Flex |
|---|---|---|
| Headphones / Earbuds | Liberty 4 Pro left and right earbuds | JBL Live Flex earbuds |
| Charging Case | Charging case with display and touch bar | Charging case |
| Charging Cable | Provided USB-C charging cable | Type-C USB charging cable |
| Audio Cable | Not applicable; true wireless audio design | Not included |
| Ear Tips / Accessories | Replaceable ear tips in XXS, XS, S, M, L and XL | Ear tips |
| Documentation | — | Warranty / Warning (W / !); Product Quick Start Guide / Safety Sheet (S / i) |
These products have the same published specifications.
Get the Soundcore Liberty 4 Pro if you want better water and dust protection and case supports wireless charging, or the JBL Live Flex if you would rather have longer battery life and larger 12 mm drivers.
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