In depth comparison and review of Poly Blackwire 3325 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 3325 | Poly EncorePro 725 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Series | 3300 Series | EncorePro 700 Series | |
| Height | 18.6 cm | - | |
| Width | 21.6 cm | - | |
| Depth | 5.6 cm | - | |
| Weight | 130 g | 78 g | Poly EncorePro 725 are lighter than Poly Blackwire 3325 headphones. |
| Colour | - | Black | |
| Earpad Material | Leatherette | Artificial leather | |
| Protection | Hearing protection | - |
| SOUND QUALITY | Poly Blackwire 3325 | Poly EncorePro 725 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 32 mm | 28 mm | Poly Blackwire 3325 have a thicker diaphragm than Poly EncorePro 725. |
| Features | SoundGuard Technology | SoundGuard Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 3325 | Poly EncorePro 725 |
|---|
| 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 | 100 - 6800 Hz | Poly Blackwire 3325 offer a larger microphone frequency range than Poly EncorePro 725. |
| Sensitivity | -38 dB | - |
| REMOTE CONTROL | Poly Blackwire 3325 | Poly EncorePro 725 |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire 3325 | Poly EncorePro 725 |
|---|
| Cable Type | Headset cable | - | |
|---|---|---|---|
| Cable Length | - | 89 cm |
| FEATURES | Poly Blackwire 3325 | Poly EncorePro 725 |
|---|
| Features | - | 290° rotatable microphone |
|---|
| CONNECTIONS | Poly Blackwire 3325 | Poly EncorePro 725 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headset (mini-phone 3.5mm) |
USB (USB Type-A) |
|---|
| OTHERS | Poly Blackwire 3325 | Poly EncorePro 725 |
|---|
| Included Accessories | Carrying pouch | - | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Service & Support | Limited warranty - 2 years | - |
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