In depth comparison and review of Poly Blackwire 325 and V7 Essentials. 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 | Poly Blackwire 325 | V7 Essentials |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - USB | |
|---|---|---|---|
| Series | 300 Series | - | |
| Height | - | 16.3 cm | |
| Width | - | 15.2 cm | |
| Depth | - | 5.1 cm | |
| Weight | - | 72.5 g | |
| Colour | - | Black | |
| Headband Material | Metal | - | |
| Recommended Use | - | Computer |
| SOUND QUALITY | Poly Blackwire 325 | V7 Essentials |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| 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 | - | 110 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 30 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly Blackwire 325 | V7 Essentials |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | - | -44 dB |
| REMOTE CONTROL | Poly Blackwire 325 | V7 Essentials |
|---|
| Controls | Mute, volume, answer/end | Mute, volume |
|---|
| CABLE | Poly Blackwire 325 | V7 Essentials |
|---|
| Cable Type | Headset cable - 2.13 m | USB cable - 1.8 m | |
|---|---|---|---|
| Cable Length | 2.13 m | 1.8 m |
| FEATURES | Poly Blackwire 325 | V7 Essentials |
|---|
| Additional Functions | DSP | - |
|---|
| CONNECTIONS | Poly Blackwire 325 | V7 Essentials |
|---|
| 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 | V7 Essentials |
|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
|---|
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