Side by side comparison and review of Bowers & Wilkins PX7 S2 and Poly Blackwire 3220. 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 Blackwire 3220 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - USB-C | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 307 g | 64 g | Poly Blackwire 3220 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 | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | Bowers & Wilkins PX7 S2 | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | - | Yes | |
| 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 | |
| Sound Output Mode | - | Stereo | |
| Sensitivity | - | 90 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | Bio-cellulose - 40 mm | 28 mm | Bowers & Wilkins PX7 S2 have a thicker diaphragm than Poly Blackwire 3220. |
| Features | Ambient Pass-Through | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Bowers & Wilkins PX7 S2 | Poly Blackwire 3220 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | Yes | - | Bowers & Wilkins PX7 S2 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | 6 | - |
| REMOTE CONTROL | Bowers & Wilkins PX7 S2 | Poly Blackwire 3220 |
|---|
| Controls | - | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Bowers & Wilkins PX7 S2 | Poly Blackwire 3220 |
|---|
| 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 |
USB-A cable | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | Bowers & Wilkins PX7 S2 | Poly Blackwire 3220 |
|---|
| Features | Wear detection | - |
|---|
| BATTERY AND CHARGING | Bowers & Wilkins PX7 S2 | Poly Blackwire 3220 |
|---|
| 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 Blackwire 3220 |
|---|
| Connector Type | Headphones (24 pin USB-C) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Bowers & Wilkins PX7 S2 | Poly Blackwire 3220 |
|---|
| Included Accessories | Carrying case, 3.5 mm to USB-C cable, USB-C to USB-C cable | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 | |
| Service & Support | Limited warranty - 2 years | - |
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