Detailed comparison and review of Poly Blackwire 8225-M and Poly EncorePro 320. 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 EncorePro 320 |
|---|
| Product Type | Headset - wired - USB-A | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | EncorePro 300 series | |
| Height | - | 6.7 cm | |
| Width | - | 11.1 cm | |
| Depth | - | 14.9 cm | |
| Weight | 186 g | 74 g | Poly EncorePro 320 are lighter than Poly Blackwire 8225-M headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | - | Computer |
| SOUND QUALITY | Poly Blackwire 8225-M | Poly EncorePro 320 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wired | Wired | |
| 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 - 10000 Hz | Poly Blackwire 8225-M offer a larger frequency range than Poly EncorePro 320. |
| Sensitivity | 84 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 5.6 mm | Poly Blackwire 8225-M have a thicker diaphragm than Poly EncorePro 320. |
| Features | SoundGuard DIGITAL Technology | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Poly Blackwire 8225-M | Poly EncorePro 320 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 100 - 10000 Hz | 35 - 21000 Hz | Poly EncorePro 320 offer a larger microphone frequency range than Poly Blackwire 8225-M. |
| Sensitivity | -35 dBV/Pascal | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Signal-To-Noise Ratio | - | 53 dB |
| REMOTE CONTROL | Poly Blackwire 8225-M | Poly EncorePro 320 |
|---|
| Controls | Mute, volume, answer/end, Microsoft Teams button | Mute, volume, answer/end |
|---|
| CABLE | Poly Blackwire 8225-M | Poly EncorePro 320 |
|---|
| Cable Type | Headset cable - 2.2 m | Headset cable - 2.19 m | |
|---|---|---|---|
| Cable Length | 2.2 m | 2.19 m |
| FEATURES | Poly Blackwire 8225-M | Poly EncorePro 320 |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone |
|---|
| CONNECTIONS | Poly Blackwire 8225-M | Poly EncorePro 320 |
|---|
| Connector Type | Headset (4 PIN USB Type A) | USB (USB Type-A) |
|---|
| OTHERS | Poly Blackwire 8225-M | Poly EncorePro 320 |
|---|
| Compatibility | - | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | macOS, Windows | |
| TAA Compliant | - | Yes |
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