In depth comparison and review of Sennheiser HD 2.10 and Sennheiser HD 4.40. 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 2.10 | Sennheiser HD 4.40 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Series | HD 2 | - | |
| Colour | Black | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 2.10 | Sennheiser HD 4.40 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | Closed | |
| Foldable | Yes | - | Sennheiser HD 2.10 can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.0 | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 18000 Hz | 18 - 22000 Hz | Sennheiser HD 4.40 offer a larger frequency range than Sennheiser HD 2.10. |
| Total Harmonic Distortion (THD) | 0.5% | 0.5% | Both headphones have the same total harmonic distortion. |
| Sensitivity | - | 113 dB | |
| Impedance | 26 Ohm | 18 Ohm | |
| Max Sound Pressure | 110 dB | - |
| MICROPHONE | Sennheiser HD 2.10 | Sennheiser HD 4.40 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 2 |
| CABLE | Sennheiser HD 2.10 | Sennheiser HD 4.40 |
|---|
| Cable Type | Headphones cable - 1.4 m | - | |
|---|---|---|---|
| Cable Length | 1.4 m | - |
| BATTERY AND CHARGING | Sennheiser HD 2.10 | Sennheiser HD 4.40 |
|---|
| Battery Type | - | Headphone battery lithium polymer |
|---|
| CONNECTIONS | Sennheiser HD 2.10 | Sennheiser HD 4.40 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
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