Detailed comparison and review of Poly Voyager 4220 and Poly Blackwire 8225-M. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Poly Voyager 4220 | Poly Blackwire 8225-M |
|---|
| Product Type | Headset - Bluetooth - wireless | Headset - wired - USB-A | |
|---|---|---|---|
| Series | 4200 UC Series | - | |
| Weight | 150 g | 186 g | Poly Voyager 4220 are lighter than Poly Voyager 4220 headphones. |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 | 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, mSBC | - | |
| 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 | Poly Blackwire 8225-M |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional, MEMS-directional | - | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Frequency Response | 100 - 6800 Hz | 100 - 10000 Hz | Poly Blackwire 8225-M offer a larger microphone frequency range than Poly Voyager 4220. |
| Sensitivity | - | -35 dBV/Pascal | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 | Poly Blackwire 8225-M |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant | Mute, volume, answer/end, Microsoft Teams button |
|---|
| CABLE | Poly Voyager 4220 | Poly Blackwire 8225-M |
|---|
| Cable Type | - | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | - | 2.2 m |
| FEATURES | Poly Voyager 4220 | Poly Blackwire 8225-M |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 | Poly Blackwire 8225-M |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 15 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 | Poly Blackwire 8225-M |
|---|
| Connector Type | - | Headset (4 PIN USB Type A) |
|---|
| OTHERS | Poly Voyager 4220 | Poly Blackwire 8225-M |
|---|
| Included Accessories | Bluetooth USB adapter | - | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - |
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