Sennheiser HDV 820 Digital Headphones Amplifier

$2,499.95 OR

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Model: 507444 UPC: 615104301450 Item: 170023

Sennheiser HDV 820 Headphone Amp Overview

Change the way your hear music forever.

The successor to the wildly popular and highly regarded HDVD 800, the Sennheiser HDV 820 is an easy to operate, sophisticated headphone amplifier that features a cutting edge digital-to-analog convertor that delivers high quality signal processing with low harmonic distortion. This device is the perfect partner for your high-resolution headphones and has enough connection options to breathe new life into all of your existing home audio devices. The Designed and manufactured in Germany, the HDV 820 improves your overall listening experience be delivering precise, powerful and dramatically clean audio.

Product Information

Product highlights

  • Greater resolution than its predecessor the HDVD 800
  • High performing ESS SABRE32 Digital-to-analog-converter (DAC) 
  • Overrides your device’s DAC to deliver the highest quality audio  
  • 32 bit high resolution and a sampling rate of up to 384 kHz.
  • The amplifier is also capable of playing DSD256 files of up to 12.3 MHz.
  • Frequency response: <10Hz to >100kHz
  • Dimensions: 8.82" x 1.73" x 12.05"
  • Weight: 4.96 lbs
  • Warranty: 2 years – World Wide Stereo is an authorized dealer for every brand we sell
  • Included: World Wide Stereo 60-day guarantee and expert product support

What does a DAC do?

Before your music hits your ears it sits inside your media player, or on a compact disc as a series of digital blips and dashes. A Digital-to-Analog Converter (DAC) converts your digital music files into analog sound. This is how you are able to hear your music. A lot of devices have built-in DACs, but they are limited in their conversion capability. The Sennheiser HDV820 overrides your device’s DAC and delivers clear and powerful, highly detailed audio with crisp highs, lush mids, and full, complex bass.

Next-generation sound technology

A work of precision German engineering,  the Sennheiser HDV820 Headphone Amp builds on the accomplishments of the HDVD 800. This headphone amp is the perfect companion for your high-end headphones. The headphone amplifier features a high-resolution digital-to-analog converter with stunning 32 bit resolution and a sampling rate of up to 384 kHz. The amplifier can also process DSD256 files with a frequency of up to 12.3 MHz and features various audio inputs and outputs, allowing you to choose the best connection for your audio devices and headphones.

The perfect companion for your headphones

This is exactly what high-resolution headphones have been waiting for. When you connect a pair of headphones, like the HD 660,  to the Sennheiser HDV 820, you will hear exciting new details in your music, old favorites sound refreshing and new. A guitar player’s finger’s moving on a fretboard, the tap of a drumstick on a cymbal, the breath a singer takes between verses -- no matter what genre you enjoy you will hear music exactly how the artist intended it to be heard -- clear and powerful.

Upgrade the performance on all of your devices

The HDV 820 is designed to improve the audio performance of all of your devices. It features a variety of audio outputs including  XLR3, XLR4, 6.3 mm and a 4.4 mm Pentaconn sockets.

Featuring optical, coax, USB XLR and RCA inputs, the HDV 820 adds dynamic brilliance to CD players, MP3s, computers, record players or just about any other device you can think of.



  • Dimensions: 8.82" x 1.73" x 12.05"
  • Frequency response: <10Hz to >100kHz
  • Total Harmonic Distortion: <0.001%
  • Weight: Approximately 4.96 lbs.
  • Power consumption: Nominal 12W
  • Power supply: 100 - 240V ~, 50 - 60Hz
  • Dynamic range: >115dB @ 600Ω load (A-weighted)
  • Voltage: 100 - 240V~, 50 - 60Hz

What's in the Box

What's in the Box:

  • HDV 820 Headphone Amplifier
  • Power supply cable
  • Quick guide
  • Safety guide
  • Microfiber cloth
  • USB flash drive with instruction manual


We'd love to hear your thoughts! Please leave a review.

Customer Reviews for Sennheiser HDV 820 Digital Headphones Amplifier

5.0 / 5.0
1 Review
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1 Star
Rated 5 out of 5
Worth every penny
The HDV 820 provides a multitude of uses and connections. The soundstage is enormous, and it is very powerful, able to handle all types of headphones. I would recommend this amp.
November 7, 2022
8 months ago


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Why did you choose this?
World Wide Stereo Store
Sennheiser is a trusted brand, high quality and good price.
TEHMAINE on Sep 16, 2022
Sennheiser is a trusted brand, high quality and good price.
TEHMAINE on Sep 16, 2022