Side by side comparison and review of Bowers & Wilkins PX7 S2 and Poly EncorePro 520V. 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 PX7 S2 | Poly EncorePro 520V |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - USB-C | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | - | EncorePro 500 series | |
| Height | - | 6.7 cm | |
| Width | - | 11.1 cm | |
| Depth | - | 14.9 cm | |
| Weight | 307 g | 74 g | Poly EncorePro 520V are lighter than Bowers & Wilkins PX7 S2 headphones. |
| Dimensions & Weight Details | Case: 18.9 cm x 6.3 cm x 23.3 cm | - | |
| Colour | Black | Black | |
| Earpad Material | Memory foam | Artificial leather |
| SOUND QUALITY | Bowers & Wilkins PX7 S2 | Poly EncorePro 520V |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless, wired | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.2 | - | |
| 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, aptX Adaptive | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid Active Noise Cancelling | SoundGuard DIGITAL | |
| Diaphragm | Bio-cellulose - 40 mm | 5.6 mm | Bowers & Wilkins PX7 S2 have a thicker diaphragm than Poly EncorePro 520V. |
| Signal-To-Noise Ratio | - | 50 dB | |
| Features | Ambient Pass-Through | - |
| MICROPHONE | Bowers & Wilkins PX7 S2 | 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. |
| Frequency Response | - | 20 - 16000 Hz | |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Microphones Included | 6 | - |
| CABLE | Bowers & Wilkins PX7 S2 | Poly EncorePro 520V |
|---|
| Cable Type | USB-C to mini-phone 3.5 mm cable - detachable - 1.2 m USB-C to USB-C cable - detachable - 1.2 m |
- | |
|---|---|---|---|
| Cable Length | 1.2 m | 78.5 cm | |
| Detachable Cable | Yes | - |
| FEATURES | Bowers & Wilkins PX7 S2 | Poly EncorePro 520V |
|---|
| Features | Wear detection | Boom mic length 135mm, 290° rotatable microphone |
|---|
| BATTERY AND CHARGING | Bowers & Wilkins PX7 S2 | Poly EncorePro 520V |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Life | 30 hour(s) | - | |
| Battery Life Details | Continuous playback: up to 30 hours Continuous playback (with 15 min charge): up to 7 hours |
- | |
| Charging Time | 2 hour(s) | - |
| CONNECTIONS | Bowers & Wilkins PX7 S2 | Poly EncorePro 520V |
|---|
| Connector Type | Headphones (24 pin USB-C) | Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Bowers & Wilkins PX7 S2 | Poly EncorePro 520V |
|---|
| Included Accessories | Carrying case, 3.5 mm to USB-C cable, USB-C to USB-C cable | - | |
|---|---|---|---|
| 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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