Sennheiser HDV 820 Digital Headphones Amplifier

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The HDV 820 Digital Headphones Amplifier from Sennheiser is powered by a high-quality ESS SABRE32 DAC (digital-to-analog converter). It has a resolution of 32-bit/384 kHz sampling rate and can play DSD256 files of up to 12.3 MHz. Featuring output connectors such as 3-pin XLR, 4-pin XLR, 1/4", and 4.4mm Pentaconn sockets, the amplifier is also equipped with several input formats to easily connect your headphones to the amplifier.


The HDV 820 performs with digital sources via optical, coaxial, or USB sources and has balanced XLR and unbalanced RCA analogue inputs. This amplifier is designed to complement Sennheiser's high-end headphones range and offers higher resolution and ultra-low distortion, which opens a whole new listening experience for the most demanding audiophiles. Additionally, a power cable is also included.

  • Product Highlights:

    • High-Quality ESS SABRE32 DAC
    • 32-Bit/384 kHz Sampling Rate
    • Supports DSD256 files up to 12.3 MHz
    • Optical, Coaxial, and USB Digital Inputs
    • Analog XLR and RCA Inputs
    • 3-Pin XLR, XLR4, 1/4" and 4.4mm Outputs
    • Includes AC Power Cable
  • Tech Specs

    • Maximum Output Power: Approximately 480 mW @ 1 kHz and 600 Ohms load at the XLR-4 output
    • Frequency Response: 10 Hz to 100 kHz
    • Crosstalk / Attenuation: Minimum 93 dB @ 1 kHz
    • Total Harmonic Distortion (THD) + N: <0.001%
    • Gain:
      Unbalanced Input/XLR-4 Output: Adjustable 14, 22, 30, 38, and 46 dB
      Balanced Input/XLR-4 Output: 16 dB
    • Dynamic Range: >115 dB @ 600 Ohms load (A-weighted)
    • Power Requirements: 100 - 200 VAC, 50 - 60 Hz
    • Power Consumption:
      Nominal:
      12 W (2 x 300 Ohms headphones connected to the 4.4 mm outputs)
      Maximum: 18 W (2 x 16 Ohms headphones connected to the 4.4 mm outputs)
    • Temperature Range:
      Operation:
      41 to 113°F (5 to 45°C)
      Storage:
      -40 to 158°F (-20 to 70°C)
    • Humidity:
      Operation: 10 to 80%
      Storage:
      10 to 90%
    • Dimensions (L x H x W): 8.8 x 1.7 x 12" (224 x 44 x 306 mm)
    • Weight: 5.0 lb (2.25 kg)
    • Package Weight: 7.5 lb
    • Box Dimensions (LxWxH): 16.5 x 11.8 x 6.1"

    What's In The Box:

    • Sennheiser HDV 820 Digital Headphones Amplifier
    • AC Power Cable
    • Limited 2-Year Warranty

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