In depth comparison and review of Plantronics .Audio 400DSP and Poly Blackwire 325. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Plantronics .Audio 400DSP | Poly Blackwire 325 |
|---|
| Product Type | Headset - wired | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 300 Series | |
| Headband Material | - | Metal | |
| Recommended Use | Computer | - |
| SOUND QUALITY | Plantronics .Audio 400DSP | Poly Blackwire 325 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 20 - 20000 Hz | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Plantronics .Audio 400DSP | Poly Blackwire 325 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Mono | - | |
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | Plantronics .Audio 400DSP | Poly Blackwire 325 |
|---|
| Controls | Mute, volume | Mute, volume, answer/end |
|---|
| CABLE | Plantronics .Audio 400DSP | Poly Blackwire 325 |
|---|
| Cable Type | Headset cable | Headset cable - 2.13 m | |
|---|---|---|---|
| Cable Length | - | 2.13 m |
| FEATURES | Plantronics .Audio 400DSP | Poly Blackwire 325 |
|---|
| Additional Functions | - | DSP |
|---|
| CONNECTIONS | Plantronics .Audio 400DSP | Poly Blackwire 325 |
|---|
| Connector Type | USB (4 PIN USB Type A) | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | Plantronics .Audio 400DSP | Poly Blackwire 325 |
|---|
| Service & Support | - | Limited warranty - 2 years |
|---|
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