Side by side comparison and review of Sennheiser HD 559 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 559 | beyerdynamic DT 990 PRO |
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Product Type | Headphones - wired | Headphones - wired - 3.5 mm jack | |
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Series | HD 5 | - | |
Weight | - | 250 g | |
Colour | Black | Black |
SOUND QUALITY | Sennheiser HD 559 | beyerdynamic DT 990 PRO |
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Headphones Form Factor | Full size | Full size | |
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Headphones Technology | Dynamic | Dynamic | |
Ear Cups Type | Open | Open | |
Connectivity Technology | Wired | Wired | |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | 14 - 26000 Hz | 5 - 35000 Hz | beyerdynamic DT 990 PRO offer a larger frequency range than Sennheiser HD 559. |
Max Input Power | - | 100 mW | |
Total Harmonic Distortion (THD) | 0.2% | 0.2% | Both headphones have the same total harmonic distortion. |
Sensitivity | 108 dB/Vrms | 96 dB | Sennheiser HD 559 have higher sensitivity than beyerdynamic DT 990 PRO. |
Impedance | 50 Ohm | 250 Ohm |
CABLE | Sennheiser HD 559 | beyerdynamic DT 990 PRO |
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Cable Type | Headphones cable - 3 m | Headphones cable - 3 m | |
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Cable Length | 3 m | 3 m | |
Detachable Cable | Yes | - | |
Plated Connector | - | Gold |
CONNECTIONS | Sennheiser HD 559 | beyerdynamic DT 990 PRO |
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Connector Type | Headphones (phone stereo 6.3 mm) | Headphones (mini-phone 3.5mm) |
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OTHERS | Sennheiser HD 559 | beyerdynamic DT 990 PRO |
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Included Accessories | - | 6.3 mm (1/4") stereo adapter |
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