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Your cart is empty.The Perfect Partner for Reference-Class Headphones There are two things that mark a quest for perfection: It is never completed and it has the potential to bring out the most extraordinary things with the power to shape the future within its field. Enter the HDV 820 which will surely change the way you listen to and experience your music. That is if you are lucky enough to possess headphones capable of turning the extremely high-quality audio signal delivered by the HDV 820 into an aural quality just as supreme. The Mission: Better the Best When you have engineered audio components that represent the state of the art going one better is the most rewarding task Sennheiser can think of. It was the task they set out on when they designed the HDV 820. Pioneering into new technological territory they found still more sonic truth to bring to their most demanding clientele. The Sound: Making Great Headphones Show All Their Class Virtually everything. That is what the HDV 820 will give to your headphones. So it will be up to them to make it heard. The different timbres of two otherwise identical instruments. The distance between the musicians of an orchestra the tension before a singer delivers the first note - It is all there for you to discover. The Technology: Only the Unsurpassed The higher the tech the higher the emotion. The heart of the new HDV 820 is a formidable ESS SABRE32 DAC (digital-to-analog converter) that surpasses the previous generation with an even higher resolution of 32 bits and a sampling rate of up to 384 kHz. The amplifier is also capable of playing DSD256 files of up to 12.3 MHz. The Design: Giving the Eyes a Taste of How it Sounds Fittingly for an audio component that delivers such an incredibly pure sonic experience the HDV 820 has also been created to delight visually. It features a new anodized black finish with white LED lights that has been designed to perfectly complement the latest version of Sennheiser's f
SpaceMan
Reviewed in France on April 6, 2025
Inutilisable si vous n'êtes pas un expert: pas de connectique, notice ultra minimaliste, aucune explication de réglage.Même avec un caque très qualitatif cela le rend inutilisable car on ne sait pas pourquoi le son n'est pas bon: problème de réglage, mauvais cable... ?Pour le prix c'est méprisant
anon
Reviewed in India on October 5, 2024
*** Do not buy from here ***
frankdog
Reviewed in the United States on January 9, 2023
Went with a refurb unit while evaluating Sennheiser's hd 800 s headphones. Wasn't really a good fit, music did not sound like what it sounded like in other settings, and I wasn't able to make any adjustments (unless I was listening from my computer, but was more interested in listening to discs, so not a good combo). Probably messed up my hearing trying to get things to sound right by turning it louder, but never did. With the refurb unit, ended up with one that had a noisy volume knob (heard swishy noises through the headphones when adjusting the volume).In the end it was RME DAC and Audeze headphones for the win, wish my home theater sounded as good.
Douglas Burgess
Reviewed in the United States on April 1, 2022
Gramophone, the seller was helpful before and after the sale. Albeit on the expensive side , it drives my phones (Sennheiser 800s’) beautifully , improving the overall sound compared to my other phone amps . The high end is remarkable..
Richard
Reviewed in the United States on April 1, 2022
Driving the notoriously power hungry HD 820 headphones with ease
Moe
Reviewed in the United States on November 30, 2021
Go to device manager, uninstall driver, unplug power and USB, connect USB then the power, install driver again. I was able to make it work this way. Hope it helps.
Cody Nelson
Reviewed in the United States on July 16, 2020
Hella expensive - but the best headphone amp I have owned - and this is my 4th. The sound is natural and full — just expensive sound but I cannot complain
Jason Cruz
Reviewed in the United States on May 9, 2020
I have a Cambridge CXA81 for which the USB driver worked instantly with Windows 10 without issue, and it was only $1300. This was $1800, and even that is $600 less than the $2399 I'm still seeing advertised. I bought this for working at my computer, and why would I want to switch to analog for that? HOWEVER, all of that aside, if you've bought this unit, or are still considering buying one, you can still have a digital throughput experience. My machine doesn't come equipped with a TOSLINK 3.5mm, it is just a regular 3.5mm headphone/speaker out. If you have a machine with a TOSLINK 3.5mm, you can buy a small cable on Amazon, TOSLINK 3.5mm to OPT, and connect the Optical end to the HDV. In my case, I bought a small intermediary, the Signstek HiFi Mini USB DAC to Coaxial for $28. Windows immediately recognized the DAC and automatically installed drivers. So, USB to Mini DAC, then Coax or Opt to the Sennheiser HDV (in addition to traditional l/R analog out, the DAC also has digital coax and optical out). I am listening to it right now via this configuration. It took me a year to write this review because that's how long it took me to have the time to figure it out and order the equipment and have it sent to Costa Rica. I think this is why I found my HDV for $1800- the seller knew it couldn't connect to Windows. What you see in the photo is working great, and is digital to digital to digital.
STEC
Reviewed in the United States on March 15, 2019
I am so angry that I tried to connect it to multiple window computers but I failed.
Jack
Reviewed in Canada on November 17, 2019
I really liked Monolith 788, but HDV820 showed me what HD800s is capable of. The difference in sound stage, instrument separation, and imaging sold me on it. The best analogy I can come up with is a sunny day with some clouds vs just the blue sky: You can have a perfect picnic in the park under both, but the difference is there.
Kevin J.
Reviewed in the United States on December 8, 2018
No other amp could feed the power thirsty Senn HD800S in the way the HDV820 can. I tried a couple in the price range, and this was so far beyond what the others could muster, it’s indescribable. While I know they were built to go alongside the Senn HD820, take my advice and wait for Sennheiser to release the HD820S (which will inevitably come down the pike) because, unfortunately, those cans just aren’t in the same orbit as the HD800S.The DAC and amplifier are amazing. But if you buy this amp and don’t use the balanced outputs, you’ll only be experiencing 60% of what you paid for. In fact, the improvement I personally experienced when I switched out my 6.3 mm unbalanced leads for a balanced XLR4 connect was so dramatic, I almost couldn’t believe it. But after a few hrs on Reditt, I found that almost all owners had the same experience.Lastly, this amplifier has power to spare. One can easily patch in two extra buddies with no audible loss in quality or grunt. It just handles everything you throw at it with a shrug. This amp is worth every dollar, and considering how expensive it is, I don’t say that lightly. Enjoy!PS I don’t work for Sennheiser 😄
juno
Reviewed in Japan on December 19, 2018
HD800sで聴いております。２年ほど使ったパイオニアのU-05から一気にレベルアップしてついにこちらを購入。消費増税前、キャッシュバックキャンペーンと、今が買うチャンスと考えました。値段を考えれば当然ですが、素晴らしい音です。音質調整の機能など一切ありませんので、ヘッドホンを差し込むだけでゼンハイザーの考える理想の音が聴けます。デザインもシンプル・イズ・ベストな、ドイツっぽいバウハウス的なオーラをまとっており好みです。☆４の理由は、唯一気になった電源ケーブルのショボさ。安い家電かよと思えるクラスのケーブルです。６万円程度で買ったパイオニアU-05ですら極太で重厚な、端子には金メッキが施された曲げづらい高級そうなケーブルだったのに、これはちょっと残念なケーブルです。いずれ余裕があればケーブルさがして買おうかな。（U-05のケーブルは規格違いで刺さりませんでした）
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