Side by side comparison and review of Sennheiser CX 150BT 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 | Sennheiser CX 150BT | OPPO Enco W31 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 12 g | 50 g | Sennheiser CX 150BT are lighter than Sennheiser CX 150BT headphones. |
| Colour | Black | White | Black | White | |
| Protection | - | 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 | Sennheiser CX 150BT | 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), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC | AAC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 20000 Hz | 20 - 20000 Hz | Sennheiser CX 150BT offer a larger frequency range than OPPO Enco W31. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | - | 95 dB | |
| Impedance | 28 Ohm | - | |
| Max Sound Pressure | 100 dB | - | |
| Diaphragm | - | Graphene - 7 mm |
| MICROPHONE | Sennheiser CX 150BT | 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 | - | -38 dBV/Pascal |
| REMOTE CONTROL | Sennheiser CX 150BT | OPPO Enco W31 |
|---|
| Controls | 3-button remote | Next/previous track, voice assistant |
|---|
| CABLE | Sennheiser CX 150BT | OPPO Enco W31 |
|---|
| Cable Type | USB-C charge cable | USB charge cable - detachable |
|---|
| FEATURES | Sennheiser CX 150BT | OPPO Enco W31 |
|---|
| Sensors | - | Touch sensor |
|---|
| BATTERY AND CHARGING | Sennheiser CX 150BT | OPPO Enco W31 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 25 mAh | |
| Battery Life | 10 hour(s) | 3.5 hour(s) | Sennheiser CX 150BT 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 | - | 2.5 hour(s) | |
| Included Qty | - | 2 |
| OTHERS | Sennheiser CX 150BT | OPPO Enco W31 |
|---|
| Included Accessories | 4 pairs of ear tips (XS, S,M, L) | Ear tips kit, USB charge cable, charging case (350 mAh) | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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