In depth comparison and review of Poly Blackwire 325 and Poly EncorePro 725. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Poly Blackwire 325 | Poly EncorePro 725 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Series | 300 Series | EncorePro 700 Series | |
| Weight | - | 78 g | |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Headband Material | Metal | - |
| SOUND QUALITY | Poly Blackwire 325 | Poly EncorePro 725 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Diaphragm | - | 28 mm | |
| Features | SoundGuard Technology | SoundGuard Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | Poly EncorePro 725 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 725 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 100 - 10000 Hz | 100 - 6800 Hz | Poly Blackwire 325 offer a larger microphone frequency range than Poly EncorePro 725. |
| REMOTE CONTROL | Poly Blackwire 325 | Poly EncorePro 725 |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire 325 | Poly EncorePro 725 |
|---|
| Cable Type | Headset cable - 2.13 m | - | |
|---|---|---|---|
| Cable Length | 2.13 m | 89 cm |
| FEATURES | Poly Blackwire 325 | Poly EncorePro 725 |
|---|
| Features | - | 290° rotatable microphone | |
|---|---|---|---|
| Additional Functions | DSP | - |
| CONNECTIONS | Poly Blackwire 325 | Poly EncorePro 725 |
|---|
| 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 725 |
|---|
| Service & Support | Limited warranty - 2 years | - |
|---|
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