Detailed comparison and review of JBL Under Armour Project Rock True Wireless X 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 | JBL Under Armour Project Rock True Wireless X | OPPO Enco W51 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 55.5 g | |
| Colour | Black | White floral | Starry blue | |
| Protection | Waterproof, sweat-resistant, IPX7 | Dust-resistant, IP54, water-resistant | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | JBL Under Armour Project Rock True Wireless X | 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) | - | |
| Active Noise Cancelling | - | Yes | OPPO Enco W51 are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | JBL Under Armour Project Rock True Wireless X are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 22000 Hz | 20 - 20000 Hz | JBL Under Armour Project Rock True Wireless X offer a larger frequency range than OPPO Enco W51. |
| Sensitivity | 96 dB/mW | 103 dB | OPPO Enco W51 have higher sensitivity than JBL Under Armour Project Rock True Wireless X. |
| Impedance | 14 Ohm | - | |
| Max Sound Pressure | 96 dB | - | |
| Diaphragm | 5.8 mm | 7 mm | OPPO Enco W51 have a thicker diaphragm than JBL Under Armour Project Rock True Wireless X. |
| Features | TalkThru technology, JBL Charged Sound, Ambient Aware | - |
| MICROPHONE | JBL Under Armour Project Rock True Wireless X | OPPO Enco W51 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | -25 dBV/Pascal | -38 dBV/Pascal |
| CABLE | JBL Under Armour Project Rock True Wireless X | OPPO Enco W51 |
|---|
| Cable Type | USB-C charge cable - detachable | - |
|---|
| BATTERY AND CHARGING | JBL Under Armour Project Rock True Wireless X | OPPO Enco W51 |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 120 mAh | 25 mAh | JBL Under Armour Project Rock True Wireless X have a higher battery capacity than OPPO Enco W51. |
| Battery Life | 10 hour(s) | 4 hour(s) | JBL Under Armour Project Rock True Wireless X lasts longer on a single charge than the OPPO Enco W51. |
| Battery Life Details | Continuous talk: up to 10 hours Continuous playback: up to 10 hours Continuous playback (with included charging case): up to 50 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 | JBL Under Armour Project Rock True Wireless X | OPPO Enco W51 |
|---|
| Included Accessories | Carrying case, 3 pairs of ear tips, 3 pairs of EarFins, sticker, USB-C charging cable, charging case (1500 mAh) | Charging case (480 mAh) | |
|---|---|---|---|
| Software Included | MapMyRun premium membership (12 months) | - | |
| Compliant Standards | IPX7 | - |
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