CMF Ear (R) B171 2024 vs Soundcore Liberty 4 Pro
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  CMF Ear (R) B171 2024 |  Soundcore Liberty 4 Pro |
|---|---|---|
| Price | KSh 16,500.00 | KSh 17,000.00 |
| Drivers | 11mm ceramic dynamic driver | 10.5mm dynamic driver + 4.6mm tweeter |
| Connection | Bluetooth | Bluetooth |
| Active Noise Cancellation | Up to 45dB ANC | Adaptive ANC 3.0 |
| Battery Life | Up to 40.5 hours with charging case | Up to 10 hours; up to 40 hours with charging case |
| Water & Dust Resistance | IP54 earbuds; IP55 case | IPX5 |
| Weight | 4.62g per earbud; 51.9g case | 5.5g per earbud |
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Full specifications
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General
| Specification | CMF Ear (R) B171 2024 | Soundcore Liberty 4 Pro |
|---|---|---|
| Brand | — | Soundcore |
| Model | Ear (2024) (B171) | Liberty 4 Pro |
| Announced | 2024 | 2024 |
| Type | True Wireless In-Ear Earbuds | True Wireless In-Ear Earbuds |
| Color | Black, White | Official colorways vary by market and selected variant |
Design
| Specification | CMF Ear (R) B171 2024 | Soundcore Liberty 4 Pro |
|---|---|---|
| Weight | 4.62g per earbud; 51.9g case | 5.5g per earbud |
Battery & Charging
| Specification | CMF Ear (R) B171 2024 | Soundcore Liberty 4 Pro |
|---|---|---|
| Battery Life | Up to 40.5 hours with charging case | Up to 10 hours; up to 40 hours with charging case |
| Charging Port | USB-C (case) | USB-C |
| Wireless Charging | Yes (case) | — |
| Fast Charging | — | 5 minutes provides up to 4 hours |
Connectivity
| Specification | CMF Ear (R) B171 2024 | Soundcore Liberty 4 Pro |
|---|---|---|
| Connection | Bluetooth | Bluetooth |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.3 |
| Multipoint Connection | Yes | Yes |
| App Support | Nothing X | Soundcore app |
Features
| Specification | CMF Ear (R) B171 2024 | Soundcore Liberty 4 Pro |
|---|---|---|
| Special Features | Active Noise Cancellation + Hi-Res Audio | Smart charging case with display and touch bar; HearID 4.0 |
Audio
| Specification | CMF Ear (R) B171 2024 | Soundcore Liberty 4 Pro |
|---|---|---|
| Drivers | 11mm ceramic dynamic driver | 10.5mm dynamic driver + 4.6mm tweeter |
| Audio Codecs | LHDC 5.0, LDAC, AAC, SBC | LDAC |
| Active Noise Cancellation | Up to 45dB ANC | Adaptive ANC 3.0 |
| Transparency / Ambient Mode | Yes | Yes |
| Microphones | Three microphones per earbud | 6 microphones with AI |
| Audio Features | 24-bit Hi-Res Audio | ACAA; Hi-Res Wireless |
| Spatial Audio | — | 360-degree spatial audio |
Charging Case
| Specification | CMF Ear (R) B171 2024 | Soundcore Liberty 4 Pro |
|---|---|---|
| Case Type | Charging case | Charging case |
| Case Battery Life | Included in the total battery-life figures above | Extends total playtime to 40 hours |
| Case Charging | USB-C | USB-C charging |
| Case Charging Port | USB-C | USB-C |
| Case Weight | 51.9g | — |
| Case Features | Protective charging case | Smart charging case with display and touch bar; HearID 4.0 |
Design & Controls
| Specification | CMF Ear (R) B171 2024 | Soundcore Liberty 4 Pro |
|---|---|---|
| Controls | Touch controls for playback, calls and listening modes | Earbud stem controls; case touch bar and display |
| Water & Dust Resistance | IP54 earbuds; IP55 case | IPX5 |
| Ear Tips / Ear Cushions | — | Replaceable silicone ear tips |
What's in the Box
| Specification | CMF Ear (R) B171 2024 | Soundcore Liberty 4 Pro |
|---|---|---|
| Headphones / Earbuds | Ear (2024) (B171) earbuds | Liberty 4 Pro earbuds |
| Charging Case | Charging case | Charging case |
| Charging Cable | USB-C charging cable | — |
| Audio Cable | N/A - true wireless design | N/A - true wireless design |
| Ear Tips / Accessories | Ear tips/accessories supplied for the product design | — |
| Documentation | Quick start and safety documentation | Documentation |