Detailed comparison and review of Poly Blackwire 325 and Poly Blackwire 3220. 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 Blackwire 3220 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Series | 300 Series | 3200 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | - | 64 g | |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Headband Material | Metal | - | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | Poly Blackwire 325 | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 3220 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | - | 90 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 28 mm | |
| Features | SoundGuard Technology | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly Blackwire 325 | Poly Blackwire 3220 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 10000 Hz | 100 - 10000 Hz | The frequency response of the microphones in both headphones is the same. |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Poly Blackwire 325 | Poly Blackwire 3220 |
|---|
| Controls | Mute, volume, answer/end | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Poly Blackwire 325 | Poly Blackwire 3220 |
|---|
| Cable Type | Headset cable - 2.13 m | USB-A cable | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325 | Poly Blackwire 3220 |
|---|
| Additional Functions | DSP | - |
|---|
| CONNECTIONS | Poly Blackwire 325 | Poly Blackwire 3220 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
USB (4 PIN USB Type A) |
|---|
| OTHERS | Poly Blackwire 325 | Poly Blackwire 3220 |
|---|
| Compatibility | - | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 | |
| Service & Support | Limited warranty - 2 years | - |
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