Detailed comparison and review of Poly EncorePro 320, QD and Poly Blackwire 3225 (3300 Series). 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 EncorePro 320, QD | Poly Blackwire 3225 (3300 Series) |
|---|
| Product Type | Headset - wired - Quick Disconnect | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | 300 Series | 3300 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | - | 64 g | |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Computer | Computer |
| SOUND QUALITY | Poly EncorePro 320, QD | Poly Blackwire 3225 (3300 Series) |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 3225 (3300 Series) are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 8000 Hz | - | |
| Sensitivity | - | 90 dB | |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | 118 dB | - | |
| Diaphragm | 28 mm | 28 mm | Both headphones are designed with same thick diaphragm. |
| Features | - | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly EncorePro 320, QD | Poly Blackwire 3225 (3300 Series) |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Poly EncorePro 320, QD | Poly Blackwire 3225 (3300 Series) |
|---|
| Controls | Mute, volume | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Poly EncorePro 320, QD | Poly Blackwire 3225 (3300 Series) |
|---|
| Cable Type | Headset cable | USB-A cable |
|---|
| CONNECTIONS | Poly EncorePro 320, QD | Poly Blackwire 3225 (3300 Series) |
|---|
| Connector Type | Headset (Quick Disconnect) | USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly EncorePro 320, QD | Poly Blackwire 3225 (3300 Series) |
|---|
| Compatibility | - | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 |
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