In depth comparison and review of Sennheiser HD 4.40 and beyerdynamic DT 1990 PRO 250 Ohm. 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 1990 PRO 250 Ohm |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Colour | - | Black |
| SOUND QUALITY | Sennheiser HD 4.40 | beyerdynamic DT 1990 PRO 250 Ohm |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | Open | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.0 | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 113 dB | - | |
| Impedance | 18 Ohm | 250 Ohm | |
| Diaphragm | - | 45 mm |
| MICROPHONE | Sennheiser HD 4.40 | beyerdynamic DT 1990 PRO 250 Ohm |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 2 | - |
| BATTERY AND CHARGING | Sennheiser HD 4.40 | beyerdynamic DT 1990 PRO 250 Ohm |
|---|
| Battery Type | Headphone battery lithium polymer | - |
|---|
| CONNECTIONS | Sennheiser HD 4.40 | beyerdynamic DT 1990 PRO 250 Ohm |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
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