Side by side comparison and review of Poly - Plantronics Backbeat FIT 305 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 305 | Soundcore Liberty Air 2 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 14 g | - | |
| Colour | Black | Dark blue | Coral | Lime green | White | Black | |
| Protection | Sweat-resistant | IPX5, water-resistant | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 305 | Soundcore Liberty Air 2 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Soundcore Liberty Air 2 have a more advanced version of Bluetooth than Poly - Plantronics Backbeat FIT 305. |
| 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 | |
| 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 305. |
| Sensitivity | 106 dB | - | |
| Impedance | 16 Ohm | 16 Ohm | |
| Diaphragm | 6 mm | 6 mm | Both headphones are designed with same thick diaphragm. |
| MICROPHONE | Poly - Plantronics Backbeat FIT 305 | Soundcore Liberty Air 2 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Noise Cancelling | - | Yes | Soundcore Liberty Air 2 microphone can cancel out ambient noise. |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 305 | Soundcore Liberty Air 2 |
|---|
| Controls | Answer/end, play/pause, next/previous track | Volume, power on/off, answer/end, play/pause, next/previous track, reject call, voice assistant |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 305 | Soundcore Liberty Air 2 |
|---|
| Cable Type | Micro-USB charge cable | - |
|---|
| FEATURES | Poly - Plantronics Backbeat FIT 305 | Soundcore Liberty Air 2 |
|---|
| Features | - | HearID Technology, Diamond-Coated Driver |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 305 | Soundcore Liberty Air 2 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 6 hour(s) | 7 hour(s) | Soundcore Liberty Air 2 lasts longer on a single charge than the Poly - Plantronics Backbeat FIT 305. |
| Battery Life Details | - | Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 28 hours |
|
| Standby Time | 240 hours | - | |
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| Included Qty | - | 2 |
| OTHERS | Poly - Plantronics Backbeat FIT 305 | Soundcore Liberty Air 2 |
|---|
| Included Accessories | Carrying pouch, 3 pairs of ear tips (small, medium, large) | Charging case (500 mAh), 5 pairs of ear tips (XS, small, medium, large, XL), USB-C charging cable | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 18 months |
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