Side by side comparison and review of Bowers & Wilkins PI7 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 | Bowers & Wilkins PI7 | OPPO Enco W31 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 50 g | |
| Dimensions & Weight Details | Charging case: 50 g Earbud: 8 g |
- | |
| Colour | Charcoal | White | Black | White | |
| Protection | IP54, water-resistant | Dust-resistant, IP54, water-resistant | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m | |
| High-Resolution Audio | Yes | - |
| SOUND QUALITY | Bowers & Wilkins PI7 | OPPO Enco W31 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Balanced armature / 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), Generic Attribute Profile (GATT) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX, aptX HD, apt-X LL, aptX Adaptive | AAC | |
| Active Noise Cancelling | Yes | - | Bowers & Wilkins PI7 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Adaptive Noise Cancelling | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 10 - 20000 Hz | 20 - 20000 Hz | Bowers & Wilkins PI7 offer a larger frequency range than OPPO Enco W31. |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Sensitivity | - | 95 dB | |
| Diaphragm | 9.2 mm | Graphene - 7 mm | Bowers & Wilkins PI7 have a thicker diaphragm than OPPO Enco W31. |
| Features | Dual driver, Google Fast Pair, Auto Play, Auto Pause, Ambient Pass-Through | - |
| MICROPHONE | Bowers & Wilkins PI7 | 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 | |
| Microphones Included | 6 | - |
| REMOTE CONTROL | Bowers & Wilkins PI7 | OPPO Enco W31 |
|---|
| Controls | Answer/end, play/pause, next/previous track, reject call, voice assistant, ANC on/off, ANC mode | Next/previous track, voice assistant |
|---|
| CABLE | Bowers & Wilkins PI7 | OPPO Enco W31 |
|---|
| Cable Type | USB-C charge cable - detachable - 20 cm USB-C to mini-phone 3.5 mm cable - detachable |
USB charge cable - detachable |
|---|
| FEATURES | Bowers & Wilkins PI7 | OPPO Enco W31 |
|---|
| Features | Fast charge, auto power on/off | - | |
|---|---|---|---|
| Sensors | Wear sensor | Touch sensor |
| BATTERY AND CHARGING | Bowers & Wilkins PI7 | OPPO Enco W31 |
|---|
| Battery Type | Headphone battery rechargeable - wireless charging | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 25 mAh | |
| Battery Life | 4 hour(s) | 3.5 hour(s) | Bowers & Wilkins PI7 lasts longer on a single charge than the OPPO Enco W31. |
| Battery Life Details | Continuous playback (with included charging case): up to 20 hours Continuous playback: up to 4 hours |
Continuous playback (with included charging case): up to 15 hours Continuous playback: up to 3.5 hours |
|
| Wireless Charging Standards | Qi | - | |
| Charging Time | 3 hour(s) | 2.5 hour(s) | OPPO Enco W31 recharge faster than Bowers & Wilkins PI7. |
| Included Qty | - | 2 |
| OTHERS | Bowers & Wilkins PI7 | OPPO Enco W31 |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large), USB-C charging cable, wireless charging case, 3.5 mm to USB-C cable | Ear tips kit, USB charge cable, charging case (350 mAh) | |
|---|---|---|---|
| Compatibility | iPhone, iPad, Android phone, Android tablet | - | |
| Service & Support | Limited warranty - 2 years | - |
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