In depth comparison and review of JVC HA FX39BT Marshmallow 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 | JVC HA FX39BT Marshmallow | OPPO Enco W51 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 28 g | 55.5 g | JVC HA FX39BT Marshmallow are lighter than JVC HA FX39BT Marshmallow headphones. |
| Colour | Green | White | Black | White floral | Starry blue | |
| Protection | - | Dust-resistant, IP54, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | JVC HA FX39BT Marshmallow | OPPO Enco W51 |
|---|
| Headphones Form Factor | In-ear - behind-the-neck mount | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 3.0 | Bluetooth 5.0 | OPPO Enco W51 have a more advanced version of Bluetooth than JVC HA FX39BT Marshmallow. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC | - | |
| Active Noise Cancelling | - | Yes | OPPO Enco W51 are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | JVC HA FX39BT Marshmallow are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 103 dB | |
| Diaphragm | 8.5 mm | 7 mm | JVC HA FX39BT Marshmallow have a thicker diaphragm than OPPO Enco W51. |
| Magnet Material | Neodymium | - |
| MICROPHONE | JVC HA FX39BT Marshmallow | OPPO Enco W51 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | JVC HA FX39BT Marshmallow | OPPO Enco W51 |
|---|
| Controls | Volume control, play/pause, next/previous track | - |
|---|
| CABLE | JVC HA FX39BT Marshmallow | OPPO Enco W51 |
|---|
| Cable Type | USB charge cable | - |
|---|
| BATTERY AND CHARGING | JVC HA FX39BT Marshmallow | OPPO Enco W51 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 25 mAh | |
| Battery Life | 14 hour(s) | 4 hour(s) | JVC HA FX39BT Marshmallow 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 | 3 hour(s) | - | |
| Included Qty | - | 2 |
| CONNECTIONS | JVC HA FX39BT Marshmallow | OPPO Enco W51 |
|---|
| Connector Type | Bluetooth USB |
- |
|---|
| OTHERS | JVC HA FX39BT Marshmallow | OPPO Enco W51 |
|---|
| Included Accessories | 2 pairs of ear tips (small, medium) | Charging case (480 mAh) | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | - |
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