Sennheiser HDV 820 Headphone Amplifier
- Free Mainland UK Shipping on orders over £100
- Official Hi-Fi Retailer since 1973
- Usually in stock and dispatched in 1-5 working days
We offer free delivery on all orders over £100 to mainland UK. Orders under £100 are subject to a £6.50 shipping charge.
Delivery is available across mainland UK. If you are located outside mainland UK and would like a shipping quote, please get in touch before placing your order.
We aim to dispatch in-stock items as soon as possible provided that we physically have the stock - but please note that sometimes we have to order from our supplier for certain products, in which case delivery should take place within 1-5 working days of the order being placed.
Tracking details or estimated delivery timescales will be provided once your order has been processed. If there are any delays due to stock availability, we will contact you as soon as possible with the option to wait or receive a full refund.
Please note that certain products may be subject to specific distance selling or delivery regulations. If you are unsure about a product or its delivery terms, we recommend contacting us before purchase.
You can cancel your order within 14 days of receiving your goods, in line with UK distance selling regulations. Once you’ve notified us, you have a further 14 days to return the item. Please contact us by email, phone or in writing before sending anything back.
Items must be returned in original condition and packaging, including all accessories, manuals and any promotional items. The cost of return is your responsibility and we strongly recommend insuring the goods, as refunds cannot be issued for damaged or incomplete returns. If items show excessive handling, are missing components, or cannot be resold as new, a reasonable deduction may be made.
Please note that used headphones (for hygiene reasons) and custom or special-order items cannot be returned. If you need assistance arranging a return, we’re always happy to help.
Product Summary
The Sennheiser HDV 820 is a premium headphone amplifier and DAC for customers who want a more serious front end for high-quality wired headphones. It is built for listeners who want more than just volume from a headphone amp, bringing the kind of refinement, control and source flexibility that makes a genuinely good headphone system feel complete.
What makes the HDV 820 especially appealing is that it works as both a high-end DAC and a dedicated headphone amplifier in one elegant component. That gives it a very natural place in a home system, whether you are listening from a computer, streamer, CD transport or other digital source, while still allowing analogue sources to be connected as well. It is the kind of product that makes sense for customers who want one serious box at the heart of their headphone setup rather than a stack of smaller compromises.
It is also a very strong match for demanding audiophile headphones. With balanced and unbalanced connections, high-quality digital conversion and a layout clearly aimed at critical listening, the HDV 820 is designed to get the best from premium headphones rather than simply driving them adequately. For customers wanting a refined, reference-minded headphone amplifier with strong DAC capability and wide system flexibility, the Sennheiser HDV 820 is an excellent choice.
Key Benefits
- Combines a premium headphone amplifier and high-quality DAC in one component
- ESS 9028PRO SABRE DAC is designed to deliver highly detailed and low-noise digital playback
- Balanced and unbalanced headphone outputs give greater flexibility with serious wired headphones
- Wide range of digital inputs makes it easy to use with computers, streamers and disc sources
- Balanced XLR and RCA analogue inputs add useful system flexibility for external sources
- Strong choice for customers wanting a more serious partner for audiophile headphones
- Elegant full-width design makes it a natural fit in a proper hi-fi system
- 2 years manufacturers warranty
Technical Specifications
Amplifier Details
- Product Type: Digital headphone amplifier and DAC
- DAC: ESS 9028PRO SABRE DAC
- Analogue Inputs: Balanced XLR, unbalanced RCA
- Digital Inputs: USB, optical, coaxial
- Headphone Outputs: XLR-4, 4.4 mm Pentaconn, 6.3 mm jack
- Frequency Response: 10 Hz - 100 kHz
- Total Harmonic Distortion (THD): Less than 0.001%
- Dynamic Range: Greater than 115 dB at 600 ohm load (A-weighted)
- Gain: Adjustable
- Power Supply: 100 - 240 V, 50 - 60 Hz
- Power Consumption: 12 - 18 W
- Colour: Black
Weight & Dimensions
- Dimensions: 22.4 x 4.4 x 30.6 cm (W x H x D)
- Weight: 2.39 kg
What’s in the Box
- Sennheiser HDV 820 headphone amplifier
- Power supply cable
- Quick guide
- Safety guide
- Microfiber cloth
