Side by side comparison and review of Poly - Plantronics Backbeat FIT 3150 and Soundcore Liberty 4. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty 4 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 26 g | 55 g | Poly - Plantronics Backbeat FIT 3150 are lighter than Poly - Plantronics Backbeat FIT 3150 headphones. |
| Dimensions & Weight Details | Earbud: 13 g Charging case: 89 g |
- | |
| Colour | Black, blue | Black | Midnight black | |
| Protection | Waterproof, sweat-resistant, IP57 | IPX4, water-resistant | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 30 m | - | |
| High-Resolution Audio | - | Yes | |
| Tracking Data | - | Heart rate |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty 4 |
|---|
| Headphones Form Factor | In-ear - over-the-ear mount | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | - | LDAC | |
| Active Noise Cancelling | - | Yes | Soundcore Liberty 4 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Bass Boost | 360° Spatial Audio | |
| Frequency Response | 20 - 20000 Hz | Up to 40000 Hz | |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 94 dB | - | |
| Diaphragm | 13.5 mm | - | |
| Features | - | MultiPoint Technology, ACAA 3.0 technology |
| MICROPHONE | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty 4 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Soundcore Liberty 4 microphone can cancel out ambient noise. |
| Microphones Included | - | 6 |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty 4 |
|---|
| Controls | Mute, volume control, answer/end, play/pause, next/previous track, voice assistant | Answer/end, play/pause, squeeze control, ANC/transparency/normal |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty 4 |
|---|
| Cable Type | Micro-USB charge cable - detachable | - |
|---|
| FEATURES | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty 4 |
|---|
| Features | Voice alerts | HearID 2.0 Technology, Dynamic Head Tracking | |
|---|---|---|---|
| Sensors | - | Gyroscope |
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty 4 |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Capacity | 90 mAh | - | |
| Battery Life | 8 hour(s) | 9 hour(s) | Soundcore Liberty 4 lasts longer on a single charge than the Poly - Plantronics Backbeat FIT 3150. |
| Battery Life Details | Continuous playback: up to 8 hours Continuous playback (with included charging case): up to 24 hours |
Continuous playback: up to 9 hours Continuous playback (with included charging case): up to 28 hours |
|
| Charging Time | 2 hour(s) | 1 hour(s) | Soundcore Liberty 4 recharge faster than Poly - Plantronics Backbeat FIT 3150. |
| Included Qty | 2 | - |
| OTHERS | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty 4 |
|---|
| Included Accessories | USB charging cable, charging case (740 mAh) | Charging case, CloudComfort ear tips (S/M1/M2/L)) | |
|---|---|---|---|
| Compliant Standards | - | IPX4 | |
| Service & Support | Limited warranty - parts and labour - 1 year | Limited warranty - 18 months |
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