In depth comparison and review of Sennheiser CX 7.00BT and OPPO Enco W31. 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 | Sennheiser CX 7.00BT | OPPO Enco W31 |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 50 g | |
| Colour | Black | Black | White | |
| Protection | - | Dust-resistant, IP54, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser CX 7.00BT | 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 4.1 | Bluetooth 5.0 | OPPO Enco W31 have a more advanced version of Bluetooth than Sennheiser CX 7.00BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | - | AAC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX 7.00BT offer a larger frequency range than OPPO Enco W31. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | - | 95 dB | |
| Max Sound Pressure | 112 dB | - | |
| Diaphragm | - | Graphene - 7 mm |
| MICROPHONE | Sennheiser CX 7.00BT | OPPO Enco W31 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | OPPO Enco W31 microphone can cancel out ambient noise. |
| Sensitivity | -44 dBV/Pascal | -38 dBV/Pascal |
| REMOTE CONTROL | Sennheiser CX 7.00BT | OPPO Enco W31 |
|---|
| Controls | - | Next/previous track, voice assistant |
|---|
| CABLE | Sennheiser CX 7.00BT | OPPO Enco W31 |
|---|
| Cable Type | USB charge cable | USB charge cable - detachable |
|---|
| FEATURES | Sennheiser CX 7.00BT | OPPO Enco W31 |
|---|
| Sensors | - | Touch sensor |
|---|
| BATTERY AND CHARGING | Sennheiser CX 7.00BT | OPPO Enco W31 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 170 mAh | 25 mAh | Sennheiser CX 7.00BT have a higher battery capacity than OPPO Enco W31. |
| Battery Life | 10 hour(s) | 3.5 hour(s) | Sennheiser CX 7.00BT lasts longer on a single charge than the OPPO Enco W31. |
| Battery Life Details | - | Continuous playback (with included charging case): up to 15 hours Continuous playback: up to 3.5 hours |
|
| Charging Time | 1.5 hour(s) | 2.5 hour(s) | Sennheiser CX 7.00BT recharge faster than Sennheiser CX 7.00BT. |
| Included Qty | - | 2 |
| OTHERS | Sennheiser CX 7.00BT | OPPO Enco W31 |
|---|
| Included Accessories | Carrying pouch, 4 ear tips (extra small, small, medium, large) | Ear tips kit, USB charge cable, charging case (350 mAh) |
|---|
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