In depth comparison and review of Poly Voyager 4220 Office (UC Series) and Poly Blackwire 8225. 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 8225 |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headset - wired - USB-C | |
|---|---|---|---|
| Series | UC Series | - | |
| Weight | 150 g | 186 g | Poly Voyager 4220 Office (UC Series) are lighter than Poly Voyager 4220 Office (UC Series) headphones. |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 8225 |
|---|
| 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 8225 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 84 dB | Poly Voyager 4220 Office (UC Series) have higher sensitivity than Poly Blackwire 8225. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 32 mm | Both headphones are designed with same thick diaphragm. |
| Features | SoundGuard Technology | SoundGuard DIGITAL Technology |
| MICROPHONE | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 8225 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | - | |
| Noise Cancelling | - | Yes | Poly Blackwire 8225 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -35 dBV/Pascal | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 8225 |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Mute, volume, answer/end |
|---|
| CABLE | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 8225 |
|---|
| Cable Type | - | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | - | 2.2 m |
| FEATURES | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 8225 |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 8225 |
|---|
| 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 8225 |
|---|
| Connector Type | - | Headset (USB Type-C) |
|---|
| OTHERS | Poly Voyager 4220 Office (UC Series) | Poly Blackwire 8225 |
|---|
| Included Accessories | Wireless headset system base, Bluetooth USB-C adapter | - | |
|---|---|---|---|
| Software Certification | - | Zoom Certified |
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