Side by side comparison and review of Poly - Plantronics Backbeat Pro 5100 (Left Earbud) and Soundcore Liberty 2 Pro. 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 Pro 5100 (Left Earbud) | Soundcore Liberty 2 Pro |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 5.8 g | - | |
| Dimensions & Weight Details | Charging case with earphones: 38.6 g | - | |
| Colour | Black | Black | |
| Protection | Sweat-resistant, water-resistant | Sweat-resistant, IPX4 | |
| Recommended Use | Portable electronics | 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 Pro 5100 (Left Earbud) | Soundcore Liberty 2 Pro |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Balanced armature / dynamic | |
| 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), 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 | |
| Active Noise Cancelling | Yes | - | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | WindSmart technology | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 16 Ohm | 16 Ohm | |
| Diaphragm | 5.8 mm | 11 mm | Soundcore Liberty 2 Pro have a thicker diaphragm than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
| MICROPHONE | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Soundcore Liberty 2 Pro |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Soundcore Liberty 2 Pro microphone can cancel out ambient noise. |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Soundcore Liberty 2 Pro |
|---|
| Controls | Mute, volume, answer/end, play/pause, skip track, voice assistant | Volume, answer/end, play/pause, next/previous track, reject call, voice assistant |
|---|
| CABLE | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Soundcore Liberty 2 Pro |
|---|
| Cable Type | Micro-USB charge cable - detachable | - |
|---|
| FEATURES | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Soundcore Liberty 2 Pro |
|---|
| Features | Voice alerts | HearID Technology | |
|---|---|---|---|
| Additional Functions | DSP | - |
| BATTERY AND CHARGING | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Soundcore Liberty 2 Pro |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | 2 x headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Capacity | 60 mAh | 65 mAh | Soundcore Liberty 2 Pro have a higher battery capacity than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
| Battery Life | 6.5 hour(s) | 8 hour(s) | Soundcore Liberty 2 Pro lasts longer on a single charge than the Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
| Battery Life Details | Continuous playback: up to 6.5 hours Continuous talk: up to 4 hours Continuous playback (with included charging case): up to 19 hours |
Continuous playback: up to 8 hours Continuous playback (with included charging case): up to 32 hours |
|
| Wireless Charging Standards | - | Qi | |
| Charging Time | 2 hour(s) | 1.5 hour(s) | Soundcore Liberty 2 Pro recharge faster than Poly - Plantronics Backbeat Pro 5100 (Left Earbud). |
| Included Qty | - | 2 |
| OTHERS | Poly - Plantronics Backbeat Pro 5100 (Left Earbud) | Soundcore Liberty 2 Pro |
|---|
| Included Accessories | 2 pairs of ear tips (small, large), charging case (440 mAh) | 7 pairs of ear tips, 3 pairs of EarWings, charging case (500 mAh), USB-C charging cable | |
|---|---|---|---|
| Compliant Standards | IP54 | IPX4 | |
| Service & Support | - | Limited warranty - 18 months |
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