Side by side comparison and review of Poly - Plantronics Backbeat FIT 3150 and Soundcore Liberty Air 2. 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 Air 2 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 26 g | - | |
| Dimensions & Weight Details | Earbud: 13 g Charging case: 89 g |
- | |
| Colour | Black, blue | Black | White | Black | |
| Protection | Waterproof, sweat-resistant, IP57 | IPX5, water-resistant | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 30 m | 10 m | Poly - Plantronics Backbeat FIT 3150 have a greater operating distance than Soundcore Liberty Air 2. |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty Air 2 |
|---|
| 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 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Bass Boost | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | - | 5 mW | |
| Total Harmonic Distortion (THD) | <3% | 1% | Soundcore Liberty Air 2 have lower total harmonic distortion than Poly - Plantronics Backbeat FIT 3150. |
| Sensitivity | 94 dB | - | |
| Impedance | - | 16 Ohm | |
| Diaphragm | 13.5 mm | 6 mm | Poly - Plantronics Backbeat FIT 3150 have a thicker diaphragm than Soundcore Liberty Air 2. |
| MICROPHONE | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty Air 2 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Soundcore Liberty Air 2 microphone can cancel out ambient noise. |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty Air 2 |
|---|
| Controls | Mute, volume control, answer/end, play/pause, next/previous track, voice assistant | Volume, power on/off, answer/end, play/pause, next/previous track, reject call, voice assistant |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty Air 2 |
|---|
| Cable Type | Micro-USB charge cable - detachable | - |
|---|
| FEATURES | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty Air 2 |
|---|
| Features | Voice alerts | HearID Technology, Diamond-Coated Driver |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty Air 2 |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 90 mAh | 55 mAh | Poly - Plantronics Backbeat FIT 3150 have a higher battery capacity than Soundcore Liberty Air 2. |
| Battery Life | 8 hour(s) | 7 hour(s) | Poly - Plantronics Backbeat FIT 3150 lasts longer on a single charge than the Soundcore Liberty Air 2. |
| Battery Life Details | Continuous playback: up to 8 hours Continuous playback (with included charging case): up to 24 hours |
Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 28 hours |
|
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| Included Qty | 2 | 2 |
| OTHERS | Poly - Plantronics Backbeat FIT 3150 | Soundcore Liberty Air 2 |
|---|
| Included Accessories | USB charging cable, charging case (740 mAh) | Charging case (500 mAh), 5 pairs of ear tips (XS, small, medium, large, XL), USB-C charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 1 year | Limited warranty - 18 months |
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