Detailed comparison and review of Poly Blackwire 325-M and Poly SupraPlus NC. 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-M | Poly SupraPlus NC |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset | |
|---|---|---|---|
| Series | 300 Series | - | |
| Headband Material | Metal | - |
| SOUND QUALITY | Poly Blackwire 325-M | Poly SupraPlus NC |
|---|
| Headphones Form Factor | On-ear | - | |
|---|---|---|---|
| Connectivity Technology | Wired | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325-M | Poly SupraPlus NC |
|---|
| Type | Boom | - | |
|---|---|---|---|
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire 325-M | Poly SupraPlus NC |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire 325-M | Poly SupraPlus NC |
|---|
| Cable Type | Headset cable - 2.13 m | - | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325-M | Poly SupraPlus NC |
|---|
| Additional Functions | DSP | - |
|---|
| CONNECTIONS | Poly Blackwire 325-M | Poly SupraPlus NC |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
- |
|---|
| OTHERS | Poly Blackwire 325-M | Poly SupraPlus NC |
|---|
| Included Accessories | - | Monitor receiver | |
|---|---|---|---|
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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