Detailed comparison and review of Poly Blackwire 325 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 325 | Poly EncorePro 320 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Series | 300 Series | EncorePro 300 series | |
| Height | - | 6.7 cm | |
| Width | - | 11.1 cm | |
| Depth | - | 14.9 cm | |
| Weight | - | 74 g | |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Headband Material | Metal | - | |
| Recommended Use | - | Computer |
| SOUND QUALITY | Poly Blackwire 325 | Poly EncorePro 320 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 10000 Hz | Poly Blackwire 325 offer a larger frequency range than Poly EncorePro 320. |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 5.6 mm | |
| Features | SoundGuard Technology | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly Blackwire 325 | Poly EncorePro 320 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 320 microphone 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 325. |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Signal-To-Noise Ratio | - | 53 dB |
| REMOTE CONTROL | Poly Blackwire 325 | Poly EncorePro 320 |
|---|
| Controls | Mute, volume, answer/end | Mute, volume, answer/end |
|---|
| CABLE | Poly Blackwire 325 | Poly EncorePro 320 |
|---|
| Cable Type | Headset cable - 2.13 m | Headset cable - 2.19 m | |
|---|---|---|---|
| Cable Length | 2.13 m | 2.19 m |
| FEATURES | Poly Blackwire 325 | Poly EncorePro 320 |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone | |
|---|---|---|---|
| Additional Functions | DSP | - |
| CONNECTIONS | Poly Blackwire 325 | Poly EncorePro 320 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
USB (USB Type-A) |
|---|
| OTHERS | Poly Blackwire 325 | Poly EncorePro 320 |
|---|
| Compatibility | - | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | macOS, Windows | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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