In depth comparison and review of Poly Voyager 4220 Office (UC Series) and Poly Blackwire 3320-M. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320-M |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headset - wired - USB-C | |
|---|---|---|---|
| Series | UC Series | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 150 g | 130 g | Poly Blackwire 3320-M are lighter than Poly Voyager 4220 Office (UC Series) headphones. |
| Colour | - | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| 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) | - | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 3320-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 116 dB | Poly Blackwire 3320-M have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 32 mm | 32 mm | Both headphones are designed with same thick diaphragm. |
| Features | SoundGuard Technology | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320-M |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | - | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320-M |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Mute, volume, answer/end |
|---|
| FEATURES | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320-M |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320-M |
|---|
| 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 Office (UC Series) | Poly Blackwire 3320-M |
|---|
| Connector Type | - | USB (24 pin USB-C) |
|---|
| OTHERS | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320-M |
|---|
| Included Accessories | Wireless headset system base, Bluetooth USB-C adapter | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS |
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