Side by side comparison and review of JVC HA A7T and OPPO Enco W31. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | JVC HA A7T | OPPO Enco W31 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | Gumy | - | |
| Weight | 9.5 g | 50 g | JVC HA A7T are lighter than JVC HA A7T headphones. |
| Dimensions & Weight Details | Earphone: 9.5 g Charging case: 38.9 g |
- | |
| Colour | Mint green | Coconut white | Olive black | Peach pink | Soda blue | Black | White | |
| Protection | Rainproof, 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 | JVC HA A7T | OPPO Enco W31 |
|---|
| 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 | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 95 dB | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 6 mm | Graphene - 7 mm | OPPO Enco W31 have a thicker diaphragm than JVC HA A7T. |
| Magnet Material | Neodymium | - |
| MICROPHONE | JVC HA A7T | OPPO Enco W31 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | OPPO Enco W31 microphone can cancel out ambient noise. |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | JVC HA A7T | OPPO Enco W31 |
|---|
| Controls | Voice assistant | Next/previous track, voice assistant |
|---|
| CABLE | JVC HA A7T | OPPO Enco W31 |
|---|
| Cable Type | USB charge cable - detachable | USB charge cable - detachable |
|---|
| FEATURES | JVC HA A7T | OPPO Enco W31 |
|---|
| Sensors | - | Touch sensor |
|---|
| BATTERY AND CHARGING | JVC HA A7T | OPPO Enco W31 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 25 mAh | |
| Battery Life | 15 hour(s) | 3.5 hour(s) | JVC HA A7T lasts longer on a single charge than the OPPO Enco W31. |
| Battery Life Details | Continuous playback: up to 6 hours Continuous playback (with included charging case): up to 15 hours |
Continuous playback (with included charging case): up to 15 hours Continuous playback: up to 3.5 hours |
|
| Charging Time | 2 hour(s) | 2.5 hour(s) | JVC HA A7T recharge faster than JVC HA A7T. |
| Included Qty | - | 2 |
| CONNECTIONS | JVC HA A7T | OPPO Enco W31 |
|---|
| Connector Type | USB (power only) (micro-USB) Bluetooth |
- |
|---|
| OTHERS | JVC HA A7T | OPPO Enco W31 |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large) | Ear tips kit, USB charge cable, charging case (350 mAh) | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | - |
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