In depth comparison and review of JBL Under Armour True Wireless Flash and OPPO Enco W51. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | JBL Under Armour True Wireless Flash | OPPO Enco W51 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 16 g | 55.5 g | JBL Under Armour True Wireless Flash are lighter than JBL Under Armour True Wireless Flash headphones. |
| 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 True Wireless Flash | OPPO Enco W51 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | OPPO Enco W51 have a more advanced version of Bluetooth than JBL Under Armour True Wireless Flash. |
| 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. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 22000 Hz | 20 - 20000 Hz | JBL Under Armour True Wireless Flash offer a larger frequency range than OPPO Enco W51. |
| Sensitivity | 95 dB | 103 dB | OPPO Enco W51 have higher sensitivity than JBL Under Armour True Wireless Flash. |
| Impedance | 14 Ohm | - | |
| Max Sound Pressure | 113 dB | - | |
| Diaphragm | 5.8 mm | 7 mm | OPPO Enco W51 have a thicker diaphragm than JBL Under Armour True Wireless Flash. |
| Features | TalkThru technology, JBL Charged Sound, Ambient Aware | - |
| MICROPHONE | JBL Under Armour True Wireless Flash | OPPO Enco W51 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | -25 dBV/Pascal | -38 dBV/Pascal |
| REMOTE CONTROL | JBL Under Armour True Wireless Flash | OPPO Enco W51 |
|---|
| Controls | Power on/off, answer/end, microphone on/mute, play/pause, next/previous track, reject call, voice assistant, TalkThru button | - |
|---|
| FEATURES | JBL Under Armour True Wireless Flash | OPPO Enco W51 |
|---|
| Features | True wireless | - | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Now | - |
| BATTERY AND CHARGING | JBL Under Armour True Wireless Flash | OPPO Enco W51 |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 85 mAh | 25 mAh | JBL Under Armour True Wireless Flash have a higher battery capacity than OPPO Enco W51. |
| Battery Life | 5 hour(s) | 4 hour(s) | JBL Under Armour True Wireless Flash lasts longer on a single charge than the OPPO Enco W51. |
| Battery Life Details | - | 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 True Wireless Flash | OPPO Enco W51 |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large), micro-USB charging cable, 3 pairs of wing tips (small, medium, large), charging case (1500 mAh) | Charging case (480 mAh) | |
|---|---|---|---|
| Software Included | MapMyRun premium membership (12 months) | - | |
| Compliant Standards | IPX7 | - | |
| Service & Support | Limited warranty - 1 year | - |
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