In depth comparison and review of Plantronics Blackwire C320 and Poly Voyager 4220 Office (UC Series). 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 | Plantronics Blackwire C320 | Poly Voyager 4220 Office (UC Series) |
|---|
| Product Type | Headset - wired - USB | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | UC Series | |
| Weight | - | 150 g | |
| Recommended Use | Computer | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Plantronics Blackwire C320 | Poly Voyager 4220 Office (UC Series) |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| 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 | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard Technology |
| MICROPHONE | Plantronics Blackwire C320 | Poly Voyager 4220 Office (UC Series) |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Plantronics Blackwire C320 | Poly Voyager 4220 Office (UC Series) |
|---|
| Controls | Mute, volume, answer/end | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | Plantronics Blackwire C320 | Poly Voyager 4220 Office (UC Series) |
|---|
| Cable Type | USB cable | - |
|---|
| FEATURES | Plantronics Blackwire C320 | Poly Voyager 4220 Office (UC Series) |
|---|
| Features | - | Voice alerts | |
|---|---|---|---|
| Additional Functions | DSP | - |
| BATTERY AND CHARGING | Plantronics Blackwire C320 | Poly Voyager 4220 Office (UC Series) |
|---|
| 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 | Plantronics Blackwire C320 | Poly Voyager 4220 Office (UC Series) |
|---|
| Connector Type | USB (4 PIN USB Type A) | - |
|---|
| OTHERS | Plantronics Blackwire C320 | Poly Voyager 4220 Office (UC Series) |
|---|
| Included Accessories | - | Wireless headset system base, Bluetooth USB-C adapter |
|---|
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