The HDV 820 is a reference-grade solution for critical listening tasks, maximizing headphone performance with top-class digital-to-analog conversion and exquisite amplification. The HDV 820 unlocks the potential of your Sennheiser headphone collection with class-leading DAC and headphone amplifier technology.
What's in the box?
- HDV 820 Headphone Amplifier
- Power supply cable (depending on region; EU, UK, US, CN, KR)
- Quick guide
- Safety guide
- Microfiber cloth
- USB flash drive (SD-U16L version) with instruction manual (as PDF file) and driver software for Microsoft Windows operating systems
Specifications
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- Dimensions
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Approx. 224 x 44 x 306 mm
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- Frequency response
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< 10 Hz to > 100 kHz
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- THD, total harmonic distortion
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< 0.001 %
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- Weight
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Approx. 2.25 kg
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- Power consumption
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Nominal 12 W
(2 x 300 Ω headphones connected to the 4.4 mm outputs)
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- Gain
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UNBAL input/XLR-4 output:
Adjustable 14 dB, 22 dB, 30 dB, 38 dB, 46 dB
BAL input/XLR-4 output: 16 dB
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- Operating voltage (mains)
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100 – 240 V ~, 50 – 60 Hz
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- Dynamic range
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> 115 dB @ 600 Ω load (A-weighted)
