In depth comparison and review of Bowers & Wilkins PX7 and Poly EncorePro 520V. 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 | Bowers & Wilkins PX7 | Poly EncorePro 520V |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | - | EncorePro 500 series | |
| Height | 22 cm | 6.7 cm | |
| Width | 17.5 cm | 11.1 cm | |
| Depth | 8 cm | 14.9 cm | |
| Weight | 304 g | 74 g | Poly EncorePro 520V are lighter than Bowers & Wilkins PX7 headphones. |
| Colour | Carbon | Space grey | Silver | Black | |
| Earpad Material | Soft leather, memory foam | Artificial leather | |
| Headband Material | Carbon fibre | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Bowers & Wilkins PX7 | Poly EncorePro 520V |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | Bowers & Wilkins PX7 can be folded. |
| Connectivity Technology | Wireless, wired | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Generic Access Profile (GAP), Service Discovery Application Profile (SDAP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX, aptX HD | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Adaptive Noise Cancelling | SoundGuard DIGITAL | |
| Noise Isolating | Yes | - | Bowers & Wilkins PX7 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 10 - 30000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Sensitivity | 111 dB | - | |
| Impedance | 20 Ohm | - | |
| Diaphragm | 43.6 mm | 5.6 mm | Bowers & Wilkins PX7 have a thicker diaphragm than Poly EncorePro 520V. |
| Signal-To-Noise Ratio | - | 50 dB |
| MICROPHONE | Bowers & Wilkins PX7 | Poly EncorePro 520V |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Noise Cancelling Technology | CVC2 (Clear Voice Communication v2) | - | |
| Frequency Response | - | 20 - 16000 Hz | |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Microphones Included | 6 | - |
| REMOTE CONTROL | Bowers & Wilkins PX7 | Poly EncorePro 520V |
|---|
| Controls | Volume control, on/off, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Bowers & Wilkins PX7 | Poly EncorePro 520V |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m USB to USB-C cable - detachable - 1.2 m |
- | |
|---|---|---|---|
| Cable Length | - | 78.5 cm | |
| Detachable Cable | Yes | - |
| FEATURES | Bowers & Wilkins PX7 | Poly EncorePro 520V |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone | |
|---|---|---|---|
| Sensors | Proximity sensor | - |
| BATTERY AND CHARGING | Bowers & Wilkins PX7 | Poly EncorePro 520V |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Life | 30 hour(s) | - | |
| Battery Life Details | Continuous playback (noise cancelling ON / Bluetooth): up to 30 hours Continuous playback (with 15 min charge): up to 5 hours |
- |
| CONNECTIONS | Bowers & Wilkins PX7 | Poly EncorePro 520V |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (USB Type-C) |
Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Bowers & Wilkins PX7 | Poly EncorePro 520V |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business, UC certified | |
| Supported Host Device OS | - | macOS, Windows | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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