In depth comparison and review of Sennheiser HD 4.40 and beyerdynamic DT 1770 PRO. 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 | beyerdynamic DT 1770 PRO |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 388 g | |
| Colour | - | Black |
| SOUND QUALITY | Sennheiser HD 4.40 | beyerdynamic DT 1770 PRO |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.0 | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 5 - 40000 Hz | beyerdynamic DT 1770 PRO offer a larger frequency range than Sennheiser HD 4.40. |
| Total Harmonic Distortion (THD) | 0.5% | 0.05% | beyerdynamic DT 1770 PRO have lower total harmonic distortion than Sennheiser HD 4.40. |
| Sensitivity | 113 dB | 102 dB | Sennheiser HD 4.40 have higher sensitivity than beyerdynamic DT 1770 PRO. |
| Impedance | 18 Ohm | 250 Ohm |
| MICROPHONE | Sennheiser HD 4.40 | beyerdynamic DT 1770 PRO |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 2 | - |
| CABLE | Sennheiser HD 4.40 | beyerdynamic DT 1770 PRO |
|---|
| Cable Type | - | Headphones cable - 3 m Headphones cable - 5 m |
|---|
| BATTERY AND CHARGING | Sennheiser HD 4.40 | beyerdynamic DT 1770 PRO |
|---|
| Battery Type | Headphone battery lithium polymer | - |
|---|
| CONNECTIONS | Sennheiser HD 4.40 | beyerdynamic DT 1770 PRO |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 4.40 | beyerdynamic DT 1770 PRO |
|---|
| Included Accessories | - | 6.3 mm (1/4") stereo adapter, 2 earpads, carrying bag |
|---|
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