Side by side comparison and review of Soundcore Liberty Air 2 and Poly SupraPlus SDS 1031-15. 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 | Soundcore Liberty Air 2 | Poly SupraPlus SDS 1031-15 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Headset | |
|---|---|---|---|
| Colour | White | Black | - | |
| Protection | IPX5, water-resistant | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Soundcore Liberty Air 2 | Poly SupraPlus SDS 1031-15 |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | 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 | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Max Input Power | 5 mW | - | |
| Total Harmonic Distortion (THD) | 1% | - | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 6 mm | - |
| MICROPHONE | Soundcore Liberty Air 2 | Poly SupraPlus SDS 1031-15 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Noise Cancelling | Yes | - | Soundcore Liberty Air 2 microphone can cancel out ambient noise. |
| Microphones Included | 4 | - |
| REMOTE CONTROL | Soundcore Liberty Air 2 | Poly SupraPlus SDS 1031-15 |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, reject call, voice assistant | Push to Talk (PTT) |
|---|
| CABLE | Soundcore Liberty Air 2 | Poly SupraPlus SDS 1031-15 |
|---|
| Cable Type | - | Quick Disconnect to LEMO FFP.2S.310 cable |
|---|
| FEATURES | Soundcore Liberty Air 2 | Poly SupraPlus SDS 1031-15 |
|---|
| Features | HearID Technology, Diamond-Coated Driver | - |
|---|
| BATTERY AND CHARGING | Soundcore Liberty Air 2 | Poly SupraPlus SDS 1031-15 |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Capacity | 55 mAh | - | |
| Battery Life | 7 hour(s) | - | |
| Battery Life Details | Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 28 hours |
- | |
| Charging Time | 2 hour(s) | - | |
| Included Qty | 2 | - |
| OTHERS | Soundcore Liberty Air 2 | Poly SupraPlus SDS 1031-15 |
|---|
| Included Accessories | Charging case (500 mAh), 5 pairs of ear tips (XS, small, medium, large, XL), USB-C charging cable | - | |
|---|---|---|---|
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 18 months | - |
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