Side by side comparison and review of Poly Voyager 4220 and Poly EncorePro 320. 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 | Poly Voyager 4220 | Poly EncorePro 320 |
|---|
| Product Type | Headset - Bluetooth - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Series | 4200 UC 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 headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | - | Computer | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 | Poly EncorePro 320 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, mSBC | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 10000 Hz | Poly Voyager 4220 offer a larger frequency range than Poly EncorePro 320. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 5.6 mm | Poly Voyager 4220 have a thicker diaphragm than Poly EncorePro 320. |
| Features | SoundGuard DIGITAL Technology | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Poly Voyager 4220 | Poly EncorePro 320 |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional, MEMS-directional | Omni-directional | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 100 - 6800 Hz | 35 - 21000 Hz | Poly EncorePro 320 offer a larger microphone frequency range than Poly Voyager 4220. |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Signal-To-Noise Ratio | - | 53 dB | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 | Poly EncorePro 320 |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant | Mute, volume, answer/end |
|---|
| CABLE | Poly Voyager 4220 | Poly EncorePro 320 |
|---|
| Cable Type | - | Headset cable - 2.19 m | |
|---|---|---|---|
| Cable Length | - | 2.19 m |
| FEATURES | Poly Voyager 4220 | Poly EncorePro 320 |
|---|
| Features | Voice alerts | Boom mic length 135mm, 290° rotatable microphone |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 | Poly EncorePro 320 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 15 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 | Poly EncorePro 320 |
|---|
| Connector Type | - | USB (USB Type-A) |
|---|
| OTHERS | Poly Voyager 4220 | 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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