Detailed comparison and review of Soundcore Liberty Air 2 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 | OPPO Enco W51 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 55.5 g | |
| Colour | White | Black | White floral | Starry blue | |
| Protection | IPX5, water-resistant | Dust-resistant, IP54, water-resistant | |
| Recommended Use | - | 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 | OPPO Enco W51 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | 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, aptX | - | |
| Active Noise Cancelling | - | Yes | OPPO Enco W51 are equipped with active noice cancellation. |
| 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) | 1% | - | |
| Sensitivity | - | 103 dB | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 6 mm | 7 mm | OPPO Enco W51 have a thicker diaphragm than Soundcore Liberty Air 2. |
| MICROPHONE | Soundcore Liberty Air 2 | OPPO Enco W51 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | Yes | - | Soundcore Liberty Air 2 microphone can cancel out ambient noise. |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | 4 | - |
| REMOTE CONTROL | Soundcore Liberty Air 2 | OPPO Enco W51 |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, reject call, voice assistant | - |
|---|
| FEATURES | Soundcore Liberty Air 2 | OPPO Enco W51 |
|---|
| Features | HearID Technology, Diamond-Coated Driver | - |
|---|
| BATTERY AND CHARGING | Soundcore Liberty Air 2 | OPPO Enco W51 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 25 mAh | Soundcore Liberty Air 2 have a higher battery capacity than OPPO Enco W51. |
| Battery Life | 7 hour(s) | 4 hour(s) | Soundcore Liberty Air 2 lasts longer on a single charge than the OPPO Enco W51. |
| Battery Life Details | Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 28 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 |
|
| Charging Time | 2 hour(s) | - | |
| Included Qty | 2 | 2 |
| OTHERS | Soundcore Liberty Air 2 | OPPO Enco W51 |
|---|
| Included Accessories | Charging case (500 mAh), 5 pairs of ear tips (XS, small, medium, large, XL), USB-C charging cable | Charging case (480 mAh) | |
|---|---|---|---|
| Service & Support | Limited warranty - 18 months | - |
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