Side by side comparison and review of Poly Blackwire 325 and Poly Blackwire 3320. 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 325 | Poly Blackwire 3320 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - USB | |
|---|---|---|---|
| Series | 300 Series | 3300 Series | |
| Weight | - | 130 g | |
| Headband Material | Metal | - | |
| Protection | - | Hearing protection |
| SOUND QUALITY | Poly Blackwire 325 | Poly Blackwire 3320 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 94 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Features | SoundGuard Technology | SoundGuard Technology | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly Blackwire 325 | Poly Blackwire 3320 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Poly Blackwire 3320 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | 100 - 10000 Hz | The frequency response of the microphones in both headphones is the same. |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Poly Blackwire 325 | Poly Blackwire 3320 |
|---|
| Controls | Mute, volume, answer/end | Mute, volume, answer/end |
|---|
| CABLE | Poly Blackwire 325 | Poly Blackwire 3320 |
|---|
| Cable Type | Headset cable - 2.13 m | Headset cable | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325 | Poly Blackwire 3320 |
|---|
| Additional Functions | DSP | - |
|---|
| CONNECTIONS | Poly Blackwire 325 | Poly Blackwire 3320 |
|---|
| 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 3320 |
|---|
| Software Certification | - | Certified for Microsoft Teams | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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