
Sennheiser HDV 820 Reference Headphone Amplifier DAC
Audiophile-Grade Headphone Amplifier and DACThe Sennheiser HDV 820 is a reference-class headphone amplifier and DAC, engineered to deliver the highest fidelity audio experience. Featuring an ESS SABRE32 DAC, balanced inputs and outputs, and a sleek design, the HDV 820 is the perfect partner for h...
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Audiophile-Grade Headphone Amplifier and DAC
The Sennheiser HDV 820 is a reference-class headphone amplifier and DAC, engineered to deliver the highest fidelity audio experience. Featuring an ESS SABRE32 DAC, balanced inputs and outputs, and a sleek design, the HDV 820 is the perfect partner for high-end headphones.
- DAC: ESS 9028PRO SABRE
- Sampling Rate: Up to 384 kHz
- DSD Playback: Up to DSD256 (12.3 MHz)
- Inputs: Balanced XLR, Unbalanced RCA
- Outputs: XLR3, XLR4, 6.3mm (1/4-inch), Dual 4.4mm Pentaconn
- Signal-to-Noise Ratio: Over 115 dB
Key Features
The Perfect Partner for Reference-Class Headphones
Sennheiser's flagship high-end headphone the HD 800
Specifications
Pros & Cons
👍 Pros
- Designed to make great headphones show all their class, suggesting significant audio quality improvement for high-end headphones.
- Incorporates unsurpassed technology, indicating a focus on premium components and engineering for superior sound reproduction.
- The design of the amplifier aims to provide a visual representation of its sound quality, suggesting a high-end aesthetic.
- Offers outstanding compatibility, implying it works well with a wide range of headphones and audio sources.
- Features physical dimensions suitable for a desktop setup, measuring 8.82" x 1.73" x 12.05" for placement convenience.
👎 Cons
- The description uses general terms like "great headphones" and "unsurpassed technology," without specific technical details or specifications of the internal components.
- While compatible, the product does not explicitly list the types of inputs or outputs available for connecting to audio sources or headphones.
- The focus on "great headphones" implies that users with entry-level or mid-range headphones might not fully benefit from its capabilities.
- The price point for a reference headphone amplifier and DAC could be a significant investment for many audiophiles.
- The specific DAC capabilities, such as supported bit rates and sampling frequencies, are not detailed in the product features.