The go-to hub for all of your sources
The HDV 820 unlocks the potential of your Sennheiser headphone collection. Expect class-leading DAC and headphone amplifier technology with a plethora of state-of-the-art I/O and world-class conversion.
Maximizing headphone performance
The HDV 820 is a reference-grade solution for critical listening tasks.
The tale of two heroes
Introducing the HDV 820’s premium converter and amp circuitry.
Features
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Next generation of acclaimed digital headphones amplifier
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Class-leading ESS 9028PRO SABRE digital-to-analog converter
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Performs brilliantly with digital sources, whether connected optically, coaxially, or via USB
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Features balanced (XLR) and unbalanced (RCA) analog inputs
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Perfectly complements the Sennheiser audiophile headphone range
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Capable of playing DSD256 files of up to 12.3 MHz, in addition to PCM files up to 32-bit and 384 kHz sample rate
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Audio outputs include XLR3, XLR4, a 6.3 mm jack socket and 4.4 mm Pentaconn socket
Full control over our signature sound
It’s easier than ever to insert the HDV 820 into your hi-fi setup.
Balanced XLR and unbalanced RCA inputs complement the digital audio connections already mentioned. The headphone outputs are just as flexible, supporting XLR3, XLR4, 6.3mm and dual 4.4mm balanced Pentaconn plugs. When matched with flagship headphones such as our HD 800 S, HD 820 and HD 660 S, control over Sennheiser’s stunning signature sound is at the tip of your fingers. In addition, all dynamic headphones are supported, letting you dust off classics in your collection to extract those additional performance gains and perform A/B comparisons with ease. Finally, a set of XLR analog outputs pass any source along to other components or even powered audiophile speakers or studio monitors—perfect for critical listening while editing audio or video at your desktop studio.
Design in Mind
The interface of the HDV 820 mirrors its sonic experience with a control panel providing concise, unobstructed feedback.
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Reference grade solution
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ESS 9028PRO SABRE DAC
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Sonic purity
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Versatile connections
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- HDV 820 Headphone Amplifier
- Power supply cable (depending on region; EU, UK, US, CN, KR)
- Quick guide
- Safety guide
- Microfiber clothDSD supportÂ
 Specifications
Article number (SKU)- 507442 (EU), 507443 (UK), 507444 (US), 507445 (CN), 507446 (KR)Dimensions- 224 x 44 x 306 mmFrequency response- 10 Hz – 100 kHzWeight- 2.25 kgAttenuation- 93 dBTotal harmonic distortion (THD)- < 0.001%Dynamic range- > 115 dB @ 600 Ω load (A-weighted)Gain- UNBAL input/XLR-4 output: Adjustable 14 dB, 22 dB, 30 dB, 38 dB, 46 dB BAL input/XLR-4 output: 16 dBPower Supply- 100 – 240 V, 50 – 60 HzPower consumption- 12 – 18 WUSB standard- USB 2.0Connection- 6.35 mm jack socket, 4.4 mm Pentaconn, XLR-4What’s included
- HDV 820 Headphone Amplifier
- Power supply cable (depending on region; EU, UK, US, CN, KR)
- Quick guide
- Safety guide
- Microfiber cloth