Detailed comparison and review of Soundcore Liberty Air 2 Pro and OPPO Enco W51. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Soundcore Liberty Air 2 Pro | OPPO Enco W51 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 3 cm | - | |
| Width | 6.2 cm | - | |
| Depth | 5.97 cm | - | |
| Weight | 61 g | 55.5 g | OPPO Enco W51 are lighter than Soundcore Liberty Air 2 Pro headphones. |
| Colour | Titanium white | Onyx black | White floral | Starry blue | |
| Protection | Sweat-resistant, IPX4 | Dust-resistant, IP54, water-resistant | |
| 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 | Soundcore Liberty Air 2 Pro | OPPO Enco W51 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | 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) | - | |
| Bluetooth Audio Codec | SBC, AAC | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Targeted Active Noise Cancellation | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 103 dB | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 11 mm | 7 mm | Soundcore Liberty Air 2 Pro have a thicker diaphragm than OPPO Enco W51. |
| Features | PureNote drivers | - |
| MICROPHONE | Soundcore Liberty Air 2 Pro | OPPO Enco W51 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | Yes | - | Soundcore Liberty Air 2 Pro microphone can cancel out ambient noise. |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | 6 | - |
| REMOTE CONTROL | Soundcore Liberty Air 2 Pro | OPPO Enco W51 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track, tap control | - |
|---|
| CABLE | Soundcore Liberty Air 2 Pro | OPPO Enco W51 |
|---|
| Cable Type | USB-C charge cable - detachable - 60 cm | - |
|---|
| FEATURES | Soundcore Liberty Air 2 Pro | OPPO Enco W51 |
|---|
| Features | HearID Technology, wear detection | - |
|---|
| BATTERY AND CHARGING | Soundcore Liberty Air 2 Pro | OPPO Enco W51 |
|---|
| Battery Type | Headphone battery rechargeable - wireless charging | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 25 mAh | Soundcore Liberty Air 2 Pro have a higher battery capacity than OPPO Enco W51. |
| Battery Life | 7 hour(s) | 4 hour(s) | Soundcore Liberty Air 2 Pro lasts longer on a single charge than the OPPO Enco W51. |
| Battery Life Details | Continuous playback: up to 7 hours Continuous playback (active noise-cancelling on): up to 6 hours Continuous playback (with included charging case): up to 26 hours Continuous playback (active noise-cancelling on) (with included charging case): up to 21 hours |
Continuous playback (noise cancelling OFF / cable connection): up to 24 hours Continuous playback (noise cancelling ON / cable connection): up to 20 hours Continuous playback (noise cancelling OFF): up to 4 hours Continuous playback (noise cancelling ON): up to 3.5 hours |
|
| Wireless Charging Standards | Qi | - | |
| Charging Time | 2 hour(s) | - | |
| Included Qty | - | 2 |
| OTHERS | Soundcore Liberty Air 2 Pro | OPPO Enco W51 |
|---|
| Included Accessories | 9 pairs of ear tips, charging case (500 mAh) | Charging case (480 mAh) | |
|---|---|---|---|
| Compliant Standards | IPX4 | - | |
| Service & Support | Limited warranty - 18 months | - |
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