Detailed comparison and review of Poly Blackwire 8225-M and Poly Voyager 4220 UC, USB-C, Microsoft Teams. 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 Blackwire 8225-M | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Product Type | Headset - wired - USB-A | Headset - Bluetooth - wireless - USB-C via Bluetooth adapter | |
|---|---|---|---|
| Weight | 186 g | 150 g | Poly Voyager 4220 UC, USB-C, Microsoft Teams are lighter than Poly Blackwire 8225-M headphones. |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Poly Blackwire 8225-M | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wired | Wireless | |
| 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 Blackwire 8225-M | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| 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 Blackwire 8225-M | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Controls | Mute, volume, answer/end, Microsoft Teams button | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant |
|---|
| CABLE | Poly Blackwire 8225-M | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Cable Type | Headset cable - 2.2 m | - | |
|---|---|---|---|
| Cable Length | 2.2 m | - |
| FEATURES | Poly Blackwire 8225-M | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Features | - | Voice alerts | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Alexa |
| BATTERY AND CHARGING | Poly Blackwire 8225-M | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| 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 Blackwire 8225-M | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Connector Type | Headset (4 PIN USB Type A) | Wireless adapter (USB Type-C) |
|---|
| OTHERS | Poly Blackwire 8225-M | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Included Accessories | - | Bluetooth USB-C adapter |
|---|
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