In depth comparison and review of Poly Voyager 4220 Office (UC Series) and Poly Blackwire 3320. 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 |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headset - wired - USB | |
|---|---|---|---|
| Series | UC Series | 3300 Series | |
| Weight | 150 g | 130 g | Poly Blackwire 3320 are lighter than Poly Voyager 4220 Office (UC Series) headphones. |
| Protection | - | Hearing protection | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320 |
|---|
| 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) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 94 dB | Both headphones offer the same sensitivity. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 32 mm | Both headphones are designed with same thick diaphragm. |
| Features | SoundGuard Technology | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | - | |
| Noise Cancelling | - | Yes | Poly Blackwire 3320 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320 |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Mute, volume, answer/end |
|---|
| CABLE | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320 |
|---|
| Cable Type | - | Headset cable |
|---|
| FEATURES | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320 |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320 |
|---|
| 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 |
|---|
| Connector Type | - | USB (4 PIN USB Type A) |
|---|
| OTHERS | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 3320 |
|---|
| Included Accessories | Wireless headset system base, Bluetooth USB-C adapter | - | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Service & Support | - | Limited warranty - 2 years |
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