Detailed comparison and review of Poly Blackwire 325-M and Cooler Master MH751. 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 | Cooler Master MH751 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | 300 Series | - | |
| Height | - | 21.5 cm | |
| Width | - | 14.9 cm | |
| Depth | - | 8.5 cm | |
| Weight | - | 280 g | |
| Body Material | - | Plastic, steel | |
| Earpad Material | - | Foam, polyurethane leather | |
| Headband Material | Metal | Foam, PU leather | |
| Recommended Use | - | Game console, portable electronics, computer |
| SOUND QUALITY | Poly Blackwire 325-M | Cooler Master MH751 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Foldable | - | Yes | Cooler Master MH751 can be folded. |
| 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 | - | 97 dB | |
| Impedance | - | 26 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly Blackwire 325-M | Cooler Master MH751 |
|---|
| Form Factor | - | Detachable headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 10000 Hz | 100 - 10000 Hz | The frequency response of the microphones in both headphones is the same. |
| Audio Input Details | - | Omni-directional - 100 - 10000 Hz | |
| Sensitivity | - | -42 dB | |
| Signal-To-Noise Ratio | - | 55 dB |
| REMOTE CONTROL | Poly Blackwire 325-M | Cooler Master MH751 |
|---|
| Controls | Mute, volume, answer/end | Volume, microphone on/mute |
|---|
| CABLE | Poly Blackwire 325-M | Cooler Master MH751 |
|---|
| Cable Type | Headset cable - 2.13 m | Headset cable - 1.5 m Audio splitter - 0.3 m |
|
|---|---|---|---|
| Cable Length | 2.13 m | 1.5 m | |
| Detachable Cable | - | Yes |
| FEATURES | Poly Blackwire 325-M | Cooler Master MH751 |
|---|
| Additional Functions | DSP | - |
|---|
| CONNECTIONS | Poly Blackwire 325-M | Cooler Master MH751 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headset (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Blackwire 325-M | Cooler Master MH751 |
|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
|---|
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