Detailed comparison and review of Poly Voyager 4220 USB-A and Poly EncorePro 320. 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 | Poly EncorePro 320 |
|---|
| Product Type | Headset - Bluetooth - wireless - USB | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | EncorePro 300 series | |
| Height | - | 6.7 cm | |
| Width | - | 11.1 cm | |
| Depth | - | 14.9 cm | |
| Weight | 150 g | 74 g | Poly EncorePro 320 are lighter than Poly Voyager 4220 USB-A headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | - | Computer | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 USB-A | Poly EncorePro 320 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 10000 Hz | Poly Voyager 4220 USB-A offer a larger frequency range than Poly EncorePro 320. |
| Sensitivity | 94 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 5.6 mm | Poly Voyager 4220 USB-A have a thicker diaphragm than Poly EncorePro 320. |
| Features | SoundGuard Technology | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Poly Voyager 4220 USB-A | Poly EncorePro 320 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 320 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | - | 35 - 21000 Hz | |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Signal-To-Noise Ratio | - | 53 dB | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 USB-A | Poly EncorePro 320 |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Mute, volume, answer/end |
|---|
| CABLE | Poly Voyager 4220 USB-A | Poly EncorePro 320 |
|---|
| Cable Type | - | Headset cable - 2.19 m | |
|---|---|---|---|
| Cable Length | - | 2.19 m |
| FEATURES | Poly Voyager 4220 USB-A | Poly EncorePro 320 |
|---|
| Features | Voice alerts | Boom mic length 135mm, 290° rotatable microphone |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 USB-A | Poly EncorePro 320 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 12 hour(s) | - | |
| Battery Life Details | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
- | |
| Standby Time | 312 hours | - | |
| Charging Time | 1.5 hour(s) | - |
| CONNECTIONS | Poly Voyager 4220 USB-A | Poly EncorePro 320 |
|---|
| Connector Type | - | USB (USB Type-A) |
|---|
| OTHERS | Poly Voyager 4220 USB-A | Poly EncorePro 320 |
|---|
| Included Accessories | Bluetooth USB adapter | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | Certified for Microsoft Teams | Certified for Microsoft Teams | |
| Supported Host Device OS | - | macOS, Windows | |
| TAA Compliant | - | Yes |
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