Side by side comparison and review of Poly Blackwire 3320-M and Poly Blackwire 3225 (3300 Series). Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Poly Blackwire 3320-M | Poly Blackwire 3225 (3300 Series) |
|---|
| Product Type | Headset - wired - USB-C | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | Blackwire 3300 series | 3300 Series | |
| Height | 17.8 cm | 17.8 cm | |
| Width | 15.5 cm | 15.5 cm | |
| Depth | 3.2 cm | 3.2 cm | |
| Weight | 130 g | 64 g | Poly Blackwire 3225 (3300 Series) are lighter than Poly Blackwire 3320-M headphones. |
| Colour | Black | Black | |
| Earpad Material | Foam | Artificial leather | |
| Recommended Use | Portable electronics, computer | Computer |
| SOUND QUALITY | Poly Blackwire 3320-M | Poly Blackwire 3225 (3300 Series) |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | Yes | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | SoundGuard | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 116 dB | 90 dB | Poly Blackwire 3320-M have higher sensitivity than Poly Blackwire 3225 (3300 Series). |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | 118 dB | - | |
| Diaphragm | 32 mm | 28 mm | Poly Blackwire 3320-M have a thicker diaphragm than Poly Blackwire 3225 (3300 Series). |
| Features | Dynamic EQ optimised | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly Blackwire 3320-M | Poly Blackwire 3225 (3300 Series) |
|---|
| 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 dB | -38 dBV/Pascal |
| REMOTE CONTROL | Poly Blackwire 3320-M | Poly Blackwire 3225 (3300 Series) |
|---|
| Controls | Mute, volume, answer/end | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Poly Blackwire 3320-M | Poly Blackwire 3225 (3300 Series) |
|---|
| Cable Type | - | USB-A cable |
|---|
| CONNECTIONS | Poly Blackwire 3320-M | Poly Blackwire 3225 (3300 Series) |
|---|
| Connector Type | USB (24 pin USB-C) | USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Blackwire 3320-M | Poly Blackwire 3225 (3300 Series) |
|---|
| Compatibility | Mac, Windows | Mac, Windows | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | Windows 10, macOS | Windows 10, macOS, Windows 11 |
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