In depth comparison and review of Sennheiser HD 4.40 and Sennheiser SC 165 USB. 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 165 USB |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 98 g | |
| Colour | - | Black, white | |
| Earpad Material | - | Leatherette | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | Sennheiser HD 4.40 | Sennheiser SC 165 USB |
|---|
| 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 165 USB are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 18 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 4.40 offer a larger frequency range than Sennheiser SC 165 USB. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 113 dB | - | |
| Impedance | 18 Ohm | - | |
| Max Sound Pressure | - | 115 dB | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 4.40 | Sennheiser SC 165 USB |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | 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. |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 4.40 | Sennheiser SC 165 USB |
|---|
| Controls | - | Volume, answer/end, microphone on/mute, redial |
|---|
| CABLE | Sennheiser HD 4.40 | Sennheiser SC 165 USB |
|---|
| Cable Type | - | Headset cable USB cable - detachable |
|
|---|---|---|---|
| Cable Length | - | 2.262 m |
| FEATURES | Sennheiser HD 4.40 | Sennheiser SC 165 USB |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | Sennheiser HD 4.40 | Sennheiser SC 165 USB |
|---|
| Battery Type | Headphone battery lithium polymer | - |
|---|
| CONNECTIONS | Sennheiser HD 4.40 | Sennheiser SC 165 USB |
|---|
| Connector Type | - | USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 4.40 | Sennheiser SC 165 USB |
|---|
| Included Accessories | - | Carrying pouch, USB cable | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business | |
| Service & Support | - | Limited warranty - 2 years |
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