Side by side comparison and review of Poly Voyager 4220 (Office Series) and Poly Blackwire 8225-M. 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 (Office Series) | Poly Blackwire 8225-M |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headset - wired - USB-A | |
|---|---|---|---|
| Series | Office Series | - | |
| Weight | 150 g | 186 g | Poly Voyager 4220 (Office Series) are lighter than Poly Voyager 4220 (Office Series) headphones. |
| Bluetooth Range (Operating Distance) | 91 m | - |
| SOUND QUALITY | Poly Voyager 4220 (Office Series) | Poly Blackwire 8225-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| 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 | - | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 8225-M 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 | - | 84 dB | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 32 mm | Both headphones are designed with same thick diaphragm. |
| Features | SoundGuard DIGITAL Technology | SoundGuard DIGITAL Technology |
| MICROPHONE | Poly Voyager 4220 (Office Series) | Poly Blackwire 8225-M |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | - | |
| Noise Cancelling | - | Yes | Poly Blackwire 8225-M microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -35 dBV/Pascal | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 (Office Series) | Poly Blackwire 8225-M |
|---|
| Controls | Mute, volume, answer/end, next/previous track, redial | Mute, volume, answer/end, Microsoft Teams button |
|---|
| CABLE | Poly Voyager 4220 (Office Series) | Poly Blackwire 8225-M |
|---|
| Cable Type | - | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | - | 2.2 m |
| FEATURES | Poly Voyager 4220 (Office Series) | Poly Blackwire 8225-M |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 (Office Series) | Poly Blackwire 8225-M |
|---|
| Battery Type | Headset battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| 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 Series) | Poly Blackwire 8225-M |
|---|
| Connector Type | USB (24 pin USB-C) | Headset (4 PIN USB Type A) |
|---|
| OTHERS | Poly Voyager 4220 (Office Series) | Poly Blackwire 8225-M |
|---|
| Software Certification | Certified for Microsoft Teams | - |
|---|
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