Detailed comparison and review of Poly Voyager 4220 USB-A and Bowers & Wilkins PX7 S2. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Poly Voyager 4220 USB-A | Bowers & Wilkins PX7 S2 |
|---|
| Product Type | Headset - Bluetooth - wireless - USB | Headphones - Bluetooth - wireless, wired - USB-C | |
|---|---|---|---|
| Weight | 150 g | 307 g | Poly Voyager 4220 USB-A are lighter than Poly Voyager 4220 USB-A headphones. |
| Dimensions & Weight Details | - | Case: 18.9 cm x 6.3 cm x 23.3 cm | |
| Colour | - | Black | |
| Earpad Material | - | Memory foam | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 USB-A | Bowers & Wilkins PX7 S2 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.2 | Bowers & Wilkins PX7 S2 have a more advanced version of Bluetooth than Poly Voyager 4220 USB-A. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | 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 | Bowers & Wilkins PX7 S2 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid Active Noise Cancelling | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 32 mm | Bio-cellulose - 40 mm | Bowers & Wilkins PX7 S2 have a thicker diaphragm than Poly Voyager 4220 USB-A. |
| Features | SoundGuard Technology | Ambient Pass-Through |
| MICROPHONE | Poly Voyager 4220 USB-A | Bowers & Wilkins PX7 S2 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Uni-directional | - | |
| Noise Cancelling | - | Yes | Bowers & Wilkins PX7 S2 microphone can cancel out ambient noise. |
| Microphones Included | 2 | 6 | Bowers & Wilkins PX7 S2 have a built-in microphone. |
| REMOTE CONTROL | Poly Voyager 4220 USB-A | Bowers & Wilkins PX7 S2 |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Poly Voyager 4220 USB-A | Bowers & Wilkins PX7 S2 |
|---|
| 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 | |
| Detachable Cable | - | Yes |
| FEATURES | Poly Voyager 4220 USB-A | Bowers & Wilkins PX7 S2 |
|---|
| Features | Voice alerts | Wear detection |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 USB-A | Bowers & Wilkins PX7 S2 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 12 hour(s) | 30 hour(s) | Bowers & Wilkins PX7 S2 lasts longer on a single charge than the Poly Voyager 4220 USB-A. |
| Battery Life Details | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
Continuous playback: up to 30 hours Continuous playback (with 15 min charge): up to 7 hours |
|
| Standby Time | 312 hours | - | |
| Charging Time | 1.5 hour(s) | 2 hour(s) | Poly Voyager 4220 USB-A recharge faster than Poly Voyager 4220 USB-A. |
| CONNECTIONS | Poly Voyager 4220 USB-A | Bowers & Wilkins PX7 S2 |
|---|
| Connector Type | - | Headphones (24 pin USB-C) |
|---|
| OTHERS | Poly Voyager 4220 USB-A | Bowers & Wilkins PX7 S2 |
|---|
| Included Accessories | Bluetooth USB adapter | Carrying case, 3.5 mm to USB-C cable, USB-C to USB-C cable | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Service & Support | - | Limited warranty - 2 years |
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