Side by side comparison and review of Sennheiser HD 4.20s and beyerdynamic DT 990 PRO. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser HD 4.20s | beyerdynamic DT 990 PRO |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 250 g | |
| Colour | Black | Black |
| SOUND QUALITY | Sennheiser HD 4.20s | beyerdynamic DT 990 PRO |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | Open | |
| Connectivity Technology | Wired | Wired | |
| Noise Isolating | Yes | - | Sennheiser HD 4.20s are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 5 - 35000 Hz | |
| Max Input Power | - | 100 mW | |
| Total Harmonic Distortion (THD) | - | 0.2% | |
| Sensitivity | - | 96 dB | |
| Impedance | - | 250 Ohm |
| MICROPHONE | Sennheiser HD 4.20s | beyerdynamic DT 990 PRO |
|---|
| Type | On-cable | - | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 4.20s | beyerdynamic DT 990 PRO |
|---|
| Controls | 1-button remote | - |
|---|
| CABLE | Sennheiser HD 4.20s | beyerdynamic DT 990 PRO |
|---|
| Cable Type | - | Headphones cable - 3 m | |
|---|---|---|---|
| Cable Length | 1.4 m | 3 m | |
| Plated Connector | Gold | Gold |
| CONNECTIONS | Sennheiser HD 4.20s | beyerdynamic DT 990 PRO |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Headphones (mini-phone 3.5mm) |
|---|
| OTHERS | Sennheiser HD 4.20s | beyerdynamic DT 990 PRO |
|---|
| Included Accessories | - | 6.3 mm (1/4") stereo adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | - |
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