In depth comparison and review of Sennheiser HD 559 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 559 | Sennheiser HD 4.40 |
|---|
| Product Type | Headphones - wired | Headphones - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Series | HD 5 | - | |
| Colour | Black | - |
| SOUND QUALITY | Sennheiser HD 559 | Sennheiser HD 4.40 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | Closed | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.0 | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 14 - 26000 Hz | 18 - 22000 Hz | Sennheiser HD 559 offer a larger frequency range than Sennheiser HD 4.40. |
| Total Harmonic Distortion (THD) | 0.2% | 0.5% | Sennheiser HD 559 have lower total harmonic distortion than Sennheiser HD 559. |
| Sensitivity | 108 dB/Vrms | 113 dB | Sennheiser HD 4.40 have higher sensitivity than Sennheiser HD 559. |
| Impedance | 50 Ohm | 18 Ohm |
| MICROPHONE | Sennheiser HD 559 | Sennheiser HD 4.40 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 2 |
| CABLE | Sennheiser HD 559 | Sennheiser HD 4.40 |
|---|
| Cable Type | Headphones cable - 3 m | - | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Sennheiser HD 559 | Sennheiser HD 4.40 |
|---|
| Battery Type | - | Headphone battery lithium polymer |
|---|
| CONNECTIONS | Sennheiser HD 559 | Sennheiser HD 4.40 |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | - |
|---|
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