Side by side comparison and review of Poly Blackwire 325 and Logitech H111. 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 | Logitech H111 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | 300 Series | - | |
| Height | - | 16.2 cm | |
| Width | - | 14.4 cm | |
| Depth | - | 4.6 cm | |
| Weight | - | 74 g | |
| Earpad Material | - | Foam | |
| Headband Material | Metal | - | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | Poly Blackwire 325 | Logitech H111 |
|---|
| 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. |
| Max Input Power | - | 20 mW | |
| Sensitivity | - | 100 dB +/- 3dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 30 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | Logitech H111 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Bi-directional | |
| Frequency Response | 100 - 10000 Hz | 100 - 16000 Hz | Logitech H111 offer a larger microphone frequency range than Poly Blackwire 325. |
| Sensitivity | - | -38 dBV/Pascal | |
| Sensitivity Margin | - | +/- 4dB |
| REMOTE CONTROL | Poly Blackwire 325 | Logitech H111 |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire 325 | Logitech H111 |
|---|
| Cable Type | Headset cable - 2.13 m | Headset cable - 2.35 m | |
|---|---|---|---|
| Cable Length | 2.13 m | 2.35 m |
| FEATURES | Poly Blackwire 325 | Logitech H111 |
|---|
| Additional Functions | DSP | - |
|---|
| CONNECTIONS | Poly Blackwire 325 | Logitech H111 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headset (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Blackwire 325 | Logitech H111 |
|---|
| Compliant Standards | - | EAC | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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