In depth comparison and review of Sennheiser HD 4.40 and Cooler Master MH751. 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 | Sennheiser HD 4.40 | Cooler Master MH751 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| 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 | - | Foam, PU leather | |
| Recommended Use | - | Game console, portable electronics, computer |
| SOUND QUALITY | Sennheiser HD 4.40 | Cooler Master MH751 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Foldable | - | Yes | Cooler Master MH751 can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.0 | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 4.40 offer a larger frequency range than Cooler Master MH751. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 113 dB | 97 dB | Sennheiser HD 4.40 have higher sensitivity than Cooler Master MH751. |
| Impedance | 18 Ohm | 26 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 4.40 | Cooler Master MH751 |
|---|
| Form Factor | Built-in | Detachable headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional | 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 | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 4.40 | Cooler Master MH751 |
|---|
| Controls | - | Volume, microphone on/mute |
|---|
| CABLE | Sennheiser HD 4.40 | Cooler Master MH751 |
|---|
| Cable Type | - | Headset cable - 1.5 m Audio splitter - 0.3 m |
|
|---|---|---|---|
| Cable Length | - | 1.5 m | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Sennheiser HD 4.40 | Cooler Master MH751 |
|---|
| Battery Type | Headphone battery lithium polymer | - |
|---|
| CONNECTIONS | Sennheiser HD 4.40 | Cooler Master MH751 |
|---|
| Connector Type | - | Headset (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 4.40 | Cooler Master MH751 |
|---|
| Service & Support | - | Limited warranty - 2 years |
|---|
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