In depth comparison and review of Sennheiser HD 4.40 and Sennheiser SC 75 USB MS. 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 | Sennheiser SC 75 USB MS |
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| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - USB, 3.5 mm jack |
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| SOUND QUALITY | Sennheiser HD 4.40 | Sennheiser SC 75 USB MS |
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| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.0 | - | |
| Active Noise Cancelling | - | Yes | Sennheiser SC 75 USB MS are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 60 - 16000 Hz | Sennheiser HD 4.40 offer a larger frequency range than Sennheiser SC 75 USB MS. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 113 dB | - | |
| Impedance | 18 Ohm | - | |
| Max Sound Pressure | - | 118 dB |
| MICROPHONE | Sennheiser HD 4.40 | Sennheiser SC 75 USB MS |
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| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | Sennheiser SC 75 USB MS microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 2 | - |
| FEATURES | Sennheiser HD 4.40 | Sennheiser SC 75 USB MS |
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| Features | - | EPOS ActiveGard |
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| BATTERY AND CHARGING | Sennheiser HD 4.40 | Sennheiser SC 75 USB MS |
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| Battery Type | Headphone battery lithium polymer | - |
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| CONNECTIONS | Sennheiser HD 4.40 | Sennheiser SC 75 USB MS |
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| Connector Type | - | USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm) |
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| OTHERS | Sennheiser HD 4.40 | Sennheiser SC 75 USB MS |
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| Included Accessories | - | Carrying pouch |
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