| Feature | Specification |
| Article number (SKU) | 700455 |
| Cable length | 1.8 m |
| Ear coupling | Over ear |
| Ear pad material | Synthetic velour |
| Frequency response | 6 Hz – 39.5 kHz |
| Nominal impedance | 150 Ω |
| Sound pressure level (SPL) | 106.7 dB / 1 V RMS |
| THD, total harmonic distortion | <0.2% (1 kHz / 90 dB SPL) |
| Transducer principle (headphones) | dynamic, open |
HD 550 Specifications
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