Side by side comparison and review of Poly Blackwire 325 and Cooler Master CH331. 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 | Cooler Master CH331 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - USB | |
|---|---|---|---|
| Series | 300 Series | - | |
| Height | - | 21.01 cm | |
| Width | - | 9.63 cm | |
| Depth | - | 17.94 cm | |
| Weight | - | 371.2 g | |
| Body Material | - | Plastic, steel | |
| Earpad Material | - | Foam, polyurethane leather | |
| Headband Material | Metal | - | |
| Recommended Use | - | Game console, computer |
| SOUND QUALITY | Poly Blackwire 325 | Cooler Master CH331 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| 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 | - | 30 mW | |
| Sensitivity | - | 103 dB | |
| Impedance | - | 16 Ohm | |
| Diaphragm | - | 50 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | Cooler Master CH331 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 10000 Hz | 100 - 8000 Hz | Poly Blackwire 325 offer a larger microphone frequency range than Cooler Master CH331. |
| Audio Input Details | - | Omni-directional - 100 - 8000 Hz | |
| Sensitivity | - | -40 dB | |
| Signal-To-Noise Ratio | - | 58 dB |
| REMOTE CONTROL | Poly Blackwire 325 | Cooler Master CH331 |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire 325 | Cooler Master CH331 |
|---|
| Cable Type | Headset cable - 2.13 m | - | |
|---|---|---|---|
| Cable Length | 2.13 m | 2.2 m |
| FEATURES | Poly Blackwire 325 | Cooler Master CH331 |
|---|
| Additional Functions | DSP | RGB lighting |
|---|
| CONNECTIONS | Poly Blackwire 325 | Cooler Master CH331 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headset (4 PIN USB Type A) |
|---|
| OTHERS | Poly Blackwire 325 | Cooler Master CH331 |
|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
|---|
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