---
product_id: 70671939
title: "SENNHEISER HD 820 Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers with Glass Reflector Technology, Sound Isolating Closed Earcups, Includes Balanced Cable, 2-Year Warranty (Black)"
brand: "sennheiser"
price: "₨3053879"
currency: LKR
in_stock: true
reviews_count: 10
category: "Sennheiser"
url: https://www.desertcart.lk/products/70671939-sennheiser-hd-820-over-the-ear-audiophile-reference-headphones-ring
store_origin: LK
region: Sri Lanka
---

# 56mm Ring Radiator Drivers Closed-back Sound Isolation 2-Year Warranty SENNHEISER HD 820 Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers with Glass Reflector Technology, Sound Isolating Closed Earcups, Includes Balanced Cable, 2-Year Warranty (Black)

**Brand:** sennheiser
**Price:** ₨3053879
**Availability:** ✅ In Stock

## Summary

> 🎶 Unlock the soundscape others only dream of—Sennheiser HD 820, where closed-back meets open-air clarity.

## Quick Answers

- **What is this?** SENNHEISER HD 820 Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers with Glass Reflector Technology, Sound Isolating Closed Earcups, Includes Balanced Cable, 2-Year Warranty (Black) by sennheiser
- **How much does it cost?** ₨3053879 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/70671939-sennheiser-hd-820-over-the-ear-audiophile-reference-headphones-ring)

## Best For

- sennheiser enthusiasts

## Why This Product

- Trusted sennheiser brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Balanced Cable Included:** Optimized for high-end audio setups with a balanced 4.4mm cable, ensuring pristine signal transfer and compatibility with professional gear.
- • **Premium German Craftsmanship:** Handcrafted microfiber ear pads and robust metal headband ensure luxurious comfort and durability for marathon listening sessions.
- • **Noise-Isolating Closed Earcups:** Block out distractions with superior ambient noise attenuation—perfect for focused work or immersive travel experiences.
- • **Innovative Glass Reflector Technology:** Unique concave glass covers minimize resonance for open-back clarity in a closed-back design—hear every detail without compromise.
- • **Audiophile-Grade Ring Radiator Drivers:** Experience ultra-wide 6Hz-48kHz frequency range with precision 56mm transducers delivering breathtakingly transparent sound.

## Overview

The Sennheiser HD 820 are premium over-ear audiophile headphones featuring 56mm ring radiator dynamic drivers and groundbreaking glass reflector technology that delivers open-back sound transparency in a closed-back design. Crafted in Germany with hand-finished microfiber ear pads and a durable metal headband, they provide exceptional comfort and noise isolation. Included balanced cables and a 2-year warranty make them a top-tier choice for discerning professionals seeking reference-quality sound in any environment.

## Description

The new audiophile standard for closed-back headphones for audiophiles there wasn't any doubt: When it came to circumaural headphones the very best sound required an open back design. This axiom has now been rendered obsolete by the youngest member of the Sennheiser Audiophile Range: The closed dynamic HD 820 employ an innovative technology that makes them sound breathtakingly transparent and natural. Developed and made in Germany they offer an incredibly realistic natural sound field and also stand apart by the extraordinary attention given to every detail of their design. Their soft comfortable microfiber ear pads are hand crafted providing excellent attenuation of ambient noise while the robust metal headband includes an inner damping element. Get ready for an unparalleled listening experience. Into the great wide open vivid wide transparent natural. The sound field of the HD 820 is wide open. Which is not what you would expect at all from closed circumaural headphones. With the HD 820 you can explore and rediscover your music in absolute reference-class quality without intruding on the aural comfort zone of others. Thus the HD 820 not only open up the sound field but also new places and opportunities for you to enjoy your music. The Technology of Transparency The breakthrough transparent performance of the HD 820 has been achieved through a special innovation: Their legendary Sennheiser Ring Radiator transducers are fitted with unique glass covers. Revealing the great look of the technical component within this visually striking feature was actually developed wholly in service to the sound: The concave glass reflects the sound waves from the rear of the transducer to an absorber which results in minimal resonance. Thus the sound waves are effectively gone like they would be in open headphones. An all-star team of excellent components made in Germany the HD 820 stand apart also because of the extraordinary attention that is given to ever.

Review: TOTL Endgame but source dependent! Like Tyl, I'm out! - I am semi-retired, but back on the road full-time air travel weekly. For years I have been buying high-end headphones, in the $500-$2800. range. I spend hours reading reviews, analyzing cables and Daps. I use most items a short time, sell them at a loss, and pursue the next great sound. It is important to me travelling 80% of the time, to be able to have my home listening experience on the road, because when I'm travelling, that is my life. So knowing that I have had Sennheiser, Oppo, Focal, Sony, Audeze, Grado & Mr. Speakers to name a few. This is important for you to understand as to why my review is such. There are many variables influencing sound, the quality of the file, the cable, the DAC /AMP, and the actual Headphones. Knowing that, when we look at HP reviews we have to carefully look at those variables, as well as the listeners preferences, to determine how the review applies to you. In my case the music I like is Jazz, Classical, singer /songwriter and Broadway and Movie Soundtracks. Across all of the years, the most fascinating pair of headphones I ever owned was the Sennheiser H800. The soundstage, detail, timber, the note extension, the air were aspects I never experienced with any other headphones. I always went back to the HD800s as a reference sound, to check the tonality of a voice, the depth of strings, the quality of an oboe or flute, the strike of a piano key. The treble could get a little sibilant, and the bass a little lean, but they sparkled. I sold them because they were open, I was seldom home and I seldom listened to them. Recently back on the road, and after purchasing the most high-end DAP /AMP I had ever owned the Cayin N8, I searched again for a good closed back sound. The Sony WMZ 1000v3, Focal Elegia, Mr Speakers C, AKG N90, Sony 1ZR, I was considering the new Focal Stellia. I became aware of the Sennheiser HD820, never knowing they had been released. From the moment I put them on, the reference level sound I remember came back to me. The depth, the sparkle, the range, the timber, taking a semi-sibilant alto vocal, and giving it breadth, neutral and sibilance gone. I know I didn't want the Senns because of the 300 Ohms, and dependence upon an amp, but I have to say, they sing like no other. I've had them about 2 weeks, have about 50 hours on them. I bought a Moon Audio Black Dragon Premium balanced cable, to replace the long stock cable, with a shorter length for travel, more durable connectors and best sound. I bought the Accessory House Global 2XL case for travel. Have worn them on 8 flights. They are noise isolating, and frankly good enough where I can enjoy the music. I'm not really a fan of "electronic" headphones. I have felt, when I retire officially these Sennheiser HD820 and my Sony Z1R are my end game headphones. I've been through everything but electrostats, and these give me awesome reference sound and snuggle warmth with the Sony's. After purchasing I still follow reviews and keep reading the that the Sennheiser are at a High end Treble peaky, and the Sony's are more warm, and maybe something like the Focal Stella and Meize Empyrean are the in the middle, not sibilant, not bassy, but best all arounders. So this morning I'm thinking how can what I hear be so different. How can I think the HD820s are the best all arounders for me. Every HP is a compromise somewhere, but I think the HD 820s are the most enjoyable and perfect. So I did a comparison between the HD820s powered by the Cayin N8 balanced, and my Sony NW zx300. In the quiet of my home I Listened to a high resolution file of DreamBoat Annie, one of my all time favorites, for dynamics, sparkle, bass, mids and treble and soundstage. On the Sony ZX300 the top end sounded thin, in fact a tad sibilant, the whole sound lacked the end game sound I had been hearing. I went to the Cayin N8, Ahh...Sennheiser HD820 I am fully satisfied with, the comfort, the build quality and the sound, what more could I want. So I know there are others out there buy .High-end Headphones, and search for great sound. Sound is subjective, but I have learned a lot from other reviewers, in order to gain a perspective. Get confused by some reviews that raise a product on a pedestal, and others that say the same product is middling. I know this is a long review, without measurements and spectrum comparisons. But I hope it will help others. No single Headphone does it all. but in your private listening room, I am convinced that the Sennheiser deliver everything anyone would ever want, and if stuck on an island or stopping all future purchases with the HD820, you will enjoy them, you will hear detail you never knew was there, transported to another realm, and enjoy the music, taking into consideration all the variables. Using the N8 and quality files, there is no fatiguing highs, and there is plenty of bass, and everything in the middle. This may be my last HP review, thank you desertcart for the opportunity to share and help others in the community, enjoy the music, Chip out!* (*reference to guru Tyl Herstens, who I followed for years, and is now downsized and enjoying the world! God Bless on your Journey!)
Review: Closed-Backs at its Best - l've been an audio enthusiast (not to call me 'audiophile') since 2013. l've owned many of the best headphones in the market from some of the (considered) top-brands like Sennheiser, Audeze, Hifiman or Beyerdynamic. Currently, l own the Sennheisers HD800, HD820 and HD650, Hifiman (1st gen) HE400 and Beyerdynamics DT770 Pro (250 ohms). l have a bunch of other headphones that l like in some ways (Fidelio X1, Denon AH-D600 and others), but l hardly use them because l've done enough of testing: l now know what l like so l stick to that. I bought the balanced 4-pin XLR Sennheiser CH800s for my HD800, l use an audio adapter 4.4mm to XLR for the HD820 and l terminated my HE400 to 4-pin XLR (also the Denons). All the other HPs are Single Ended. LISTENING BEHAVIOUR: When l put on a pair of headphones, l know what l'm going to watch or listen to so l decide accordingly. For example: - Am l going to casually listen to music in my sunroom? Then HD650s with a portable amp and the phone as a source. - Am l going to watch a movie or listen to music more critically? HD800. - Is there noise of any kind? Do l feel the 'energy' of the morning at home (as quiet as my neighborhood and home are)? Then 820 for the mild isolation properties they have (not huge, but certainly better than an open-back HP). - Do l want a different flavor to my music? HE400. My headphone amplifier is an Audio-GD Reference 10.32. HD820 Personal Impressions: l've had these HPs for longer than 1 month now. The easy (almost) silly way to describe them would be saying they're a 'relatively similar closed-back version of the HD800s.' They do share some of the characteristics that made the HD800s so great (impressive 3D soundstage, imaging, instruments placement) then they add their own features (less realistic timbre, better micro-dynamics). Compared to the HD800 (non 's') the HD820 would have a 'slightly' elevated bass and a 'non problematic treble.' (*Please note that the HD800 treble is problematic in lower quality amps. Recently, just for fun, l bought a Fiio K7. The HD800 treble was awful, l deeply disliked it. Then l bough the K9 ESS and K9 Pro ESS and oh, the treble was beautiful again. Not Reference 10.32 beautiful, but perfectly listenable and yes, still beautiful. Those Fiio k9 ESS amps sound great but are extremely, severely unreliable. l don't recommend them). The downside of the HD820 is that, sometimes, the vocals sound weird, off, distant, you name it. Just not right. But that only happens sometimes, no often, with specific songs. When it happens, you'll notice it and you'll dislike it. But, again, that's the exception, not the norm. Like the HD800, the HD820 are 'very' capable of producing thunderous bass should the song be recorded like that. These 2 HPs are faithful to the recordings, which means that, if the bass isn't present in the recording, you won't hear it and, if the bass should be there, it'll be there. Remember that the HD820 bass is similar to that of the HD800s (slightly elevated, deviated from neutral, compared to that of the HD800, which is the most neutral, reference level of the 3). l read some people complaining about how the HD820s are so dependent on a specific head placement. Well, l don't have that problem. Maybe l have an alien head, unlike those people. Maybe my head resembles the Sennheiser's 'tunning unit' or go figure but, in my experience, when l get a bit of a hot spot on top of my head from wearing the HPs, l move them forward or backwards as needed and then, problem solved: no hot spot, no difference in sound quality or bass or anything other than restored comfort (which, by the way, is excellent, premium comfort level). l read the earpads fall off easily. Not in my experience, not to this date and, trust me, l've been putting on these bad boys on and off at least once every day since l own them. At least. l'm still to find my cat playing with an earpad that fell the night before while the HP was sitting on the stand... Some also said that the cable is awful, that it falls apart before you blink an eye. Well, if the HD820 cable is of similar quality of that of my HD800 then l guarantee you that cable is here to stay. My HD800 cables are in pristine condition. l have almost exclusively used the balanced (XLR) cable and it shows 'zero' signs of use. l'm afraid that cable is going to outlast me and the person who complained about it (and my cat). Now, this is where the HD820 differs from the HD800, and what makes it a very special proposition. The HD800 is an analytical headphone in its nature. That means you can't help but finding yourself analyzing the music while on your listening session. Even if all you want is to unwind, the HD800 will drive you to the details, it'll demand your attention. The beauty of the HD820 is in that it is absolutely capable of being an analytical headphone, but it doesn't have to. The HD820 will let you sit back and relax. It won't ask for your attention, although it may ask for your feelings, which will certainly be touched and moved with that marvelously conveyed music reproduction. Now, should you want to discover a specific tone, instrument or detail hidden in the music, just pay attention and the HD820 will reveal it to you. The paragraph above and the (mild) noise isolation the HD820 offers is where the extra cost over both the HD800 and HD800s is. Having a closed-back headphone sounding this good takes lots of engineering hours, some of them being top class German engineers. You got to pay for that. Besides, this is a premium product and you surely pay that extra for the premium, nothing new, right? Are the HD820 worth $2400 MSRP (when they first got released)? Only you can tell. Just don't let others decide for yourself, especially not 'professional reviewers' who get paid to talk and defend the interests of those who paid them to talk in the first place. I did pay for these headphones with my own money and yet, l'm not asking you to buy them or keep them, l'm asking you to decide for yourself. l hope you enjoyed reading my personal opinion about these headphones.

## Features

- Over-ear Circumaural Headphones with 56mm Ring Radiat Transducers
- 6Hz to 48kHz Frequency Response
- Acoustic Absber
- Glass Reflects

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07D41MTT7 |
| Age Range (Description) | Adult |
| Audio Driver Size | 56 Millimeters |
| Audio Driver Type | Dynamic Driver |
| Batteries | 1 Lithium Ion batteries required. |
| Best Sellers Rank | #234,183 in Electronics ( See Top 100 in Electronics ) #3,977 in Over-Ear Headphones |
| Cable Feature | Retractable |
| Cable Length | 4.4 Millimeters |
| Carrying Case Color | Black |
| Carrying Case Material | Microfiber |
| Compatible Devices | Laptops, Desktops, Music Production Equipment, Smart Speaker, Television, Car Audio Systems |
| Connectivity Technology | Wired |
| Control Method | Push Button |
| Control Type | Noise Control |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 3.8 3.8 out of 5 stars (89) |
| Date First Available | May 16, 2018 |
| EU Spare Part Availability Duration | 2 Years |
| Earpiece Shape | Rounded, over-ear |
| Frequency Response | 43800 Hz |
| Global Trade Identification Number | 00615104300439 |
| Headphones Jack | 6.35 mm Jack |
| Included Components | HD 820 headphone, 6.35 mm cable, 4.4 mm Pentaconn cable, owners manual |
| Input Device Interface | Audio jack |
| Is Discontinued By Manufacturer | No |
| Item Weight | 12.7 ounces |
| Item model number | HD 820 |
| Manufacturer | Sennheiser |
| Material | Metal,Microfiber |
| Model Name | HD 820 |
| Noise Control | Sound Isolation |
| Number of Items | 1 |
| Recommended Uses For Product | Music Listening, Audio Recording, Audio Monitoring |
| Series Number | 820 |
| Special Feature | around the ear |
| Specific Uses For Product | Music |
| Style | High-End |
| Supports Bluetooth Technology | No |
| UPC | 615104300439 |
| Unit Count | 1.0 Count |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Sennheiser
- **Color:** Black
- **Ear Placement:** Over Ear
- **Form Factor:** around the ear
- **Impedance:** 300 Ohms

## Images

![SENNHEISER HD 820 Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers with Glass Reflector Technology, Sound Isolating Closed Earcups, Includes Balanced Cable, 2-Year Warranty (Black) - Image 1](https://m.media-amazon.com/images/I/61CDe6OYm0L.jpg)
![SENNHEISER HD 820 Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers with Glass Reflector Technology, Sound Isolating Closed Earcups, Includes Balanced Cable, 2-Year Warranty (Black) - Image 2](https://m.media-amazon.com/images/I/61J14mSrZcL.jpg)
![SENNHEISER HD 820 Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers with Glass Reflector Technology, Sound Isolating Closed Earcups, Includes Balanced Cable, 2-Year Warranty (Black) - Image 3](https://m.media-amazon.com/images/I/61cDhtc3nzL.jpg)
![SENNHEISER HD 820 Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers with Glass Reflector Technology, Sound Isolating Closed Earcups, Includes Balanced Cable, 2-Year Warranty (Black) - Image 4](https://m.media-amazon.com/images/I/717FaXvTABL.jpg)
![SENNHEISER HD 820 Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers with Glass Reflector Technology, Sound Isolating Closed Earcups, Includes Balanced Cable, 2-Year Warranty (Black) - Image 5](https://m.media-amazon.com/images/I/71k4thayUKL.jpg)

## Questions & Answers

**Q: Will this make me better at Fortnite?**
A: Yes! Unironically, yes. These headphones have the widest sound stage and detail retrieval of any close back headphone. This quite literally and unironically makes them the best gaming headphones ever made.

**Q: Is this really closed back headphone? If I put on no one can hear what I am listening?**
A: I tried them and you can still hear them like open backed headphone. I sent them back and bought the 800S instead which sound just as good for a lot less

**Q: can you use the cable of the hd800 (s) for these ?**
A: Yes, they share the same adapters.

**Q: Would these headphones be suitable for listening to classical music and not letting out sounds that bother people in the same room?
Thankful.**
A: Most audiophile reviewers say these headphones go best with classical, Jazz and electronic music.  I personal use them for everything and they sound fantastic.  You'll need a good amp to power them, but even on high volumes there is minimal noise leakage.  Depending on the seal around your head/face, the noise can be heard outside.  Although I've never heard a complaint that it was too loud for a person in the same room.  Most time they never heard anything, but I don't play music loud.

## Customer Reviews

### ⭐⭐⭐⭐⭐ TOTL Endgame but source dependent! Like Tyl, I'm out!
*by C***O on March 23, 2019*

I am semi-retired, but back on the road full-time air travel weekly. For years I have been buying high-end headphones, in the $500-$2800. range. I spend hours reading reviews, analyzing cables and Daps. I use most items a short time, sell them at a loss, and pursue the next great sound. It is important to me travelling 80% of the time, to be able to have my home listening experience on the road, because when I'm travelling, that is my life. So knowing that I have had Sennheiser, Oppo, Focal, Sony, Audeze, Grado & Mr. Speakers to name a few. This is important for you to understand as to why my review is such. There are many variables influencing sound, the quality of the file, the cable, the DAC /AMP, and the actual Headphones. Knowing that, when we look at HP reviews we have to carefully look at those variables, as well as the listeners preferences, to determine how the review applies to you. In my case the music I like is Jazz, Classical, singer /songwriter and Broadway and Movie Soundtracks. Across all of the years, the most fascinating pair of headphones I ever owned was the Sennheiser H800. The soundstage, detail, timber, the note extension, the air were aspects I never experienced with any other headphones. I always went back to the HD800s as a reference sound, to check the tonality of a voice, the depth of strings, the quality of an oboe or flute, the strike of a piano key. The treble could get a little sibilant, and the bass a little lean, but they sparkled. I sold them because they were open, I was seldom home and I seldom listened to them. Recently back on the road, and after purchasing the most high-end DAP /AMP I had ever owned the Cayin N8, I searched again for a good closed back sound. The Sony WMZ 1000v3, Focal Elegia, Mr Speakers C, AKG N90, Sony 1ZR, I was considering the new Focal Stellia. I became aware of the Sennheiser HD820, never knowing they had been released. From the moment I put them on, the reference level sound I remember came back to me. The depth, the sparkle, the range, the timber, taking a semi-sibilant alto vocal, and giving it breadth, neutral and sibilance gone. I know I didn't want the Senns because of the 300 Ohms, and dependence upon an amp, but I have to say, they sing like no other. I've had them about 2 weeks, have about 50 hours on them. I bought a Moon Audio Black Dragon Premium balanced cable, to replace the long stock cable, with a shorter length for travel, more durable connectors and best sound. I bought the Accessory House Global 2XL case for travel. Have worn them on 8 flights. They are noise isolating, and frankly good enough where I can enjoy the music. I'm not really a fan of "electronic" headphones. I have felt, when I retire officially these Sennheiser HD820 and my Sony Z1R are my end game headphones. I've been through everything but electrostats, and these give me awesome reference sound and snuggle warmth with the Sony's. After purchasing I still follow reviews and keep reading the that the Sennheiser are at a High end Treble peaky, and the Sony's are more warm, and maybe something like the Focal Stella and Meize Empyrean are the in the middle, not sibilant, not bassy, but best all arounders. So this morning I'm thinking how can what I hear be so different. How can I think the HD820s are the best all arounders for me. Every HP is a compromise somewhere, but I think the HD 820s are the most enjoyable and perfect. So I did a comparison between the HD820s powered by the Cayin N8 balanced, and my Sony NW zx300. In the quiet of my home I Listened to a high resolution file of DreamBoat Annie, one of my all time favorites, for dynamics, sparkle, bass, mids and treble and soundstage. On the Sony ZX300 the top end sounded thin, in fact a tad sibilant, the whole sound lacked the end game sound I had been hearing. I went to the Cayin N8, Ahh...Sennheiser HD820 I am fully satisfied with, the comfort, the build quality and the sound, what more could I want. So I know there are others out there buy .High-end Headphones, and search for great sound. Sound is subjective, but I have learned a lot from other reviewers, in order to gain a perspective. Get confused by some reviews that raise a product on a pedestal, and others that say the same product is middling. I know this is a long review, without measurements and spectrum comparisons. But I hope it will help others. No single Headphone does it all. but in your private listening room, I am convinced that the Sennheiser deliver everything anyone would ever want, and if stuck on an island or stopping all future purchases with the HD820, you will enjoy them, you will hear detail you never knew was there, transported to another realm, and enjoy the music, taking into consideration all the variables. Using the N8 and quality files, there is no fatiguing highs, and there is plenty of bass, and everything in the middle. This may be my last HP review, thank you amazon for the opportunity to share and help others in the community, enjoy the music, Chip out!* (*reference to guru Tyl Herstens, who I followed for years, and is now downsized and enjoying the world! God Bless on your Journey!)

### ⭐⭐⭐⭐⭐ Closed-Backs at its Best
*by C***I on July 1, 2024*

l've been an audio enthusiast (not to call me 'audiophile') since 2013. l've owned many of the best headphones in the market from some of the (considered) top-brands like Sennheiser, Audeze, Hifiman or Beyerdynamic. Currently, l own the Sennheisers HD800, HD820 and HD650, Hifiman (1st gen) HE400 and Beyerdynamics DT770 Pro (250 ohms). l have a bunch of other headphones that l like in some ways (Fidelio X1, Denon AH-D600 and others), but l hardly use them because l've done enough of testing: l now know what l like so l stick to that. I bought the balanced 4-pin XLR Sennheiser CH800s for my HD800, l use an audio adapter 4.4mm to XLR for the HD820 and l terminated my HE400 to 4-pin XLR (also the Denons). All the other HPs are Single Ended. LISTENING BEHAVIOUR: When l put on a pair of headphones, l know what l'm going to watch or listen to so l decide accordingly. For example: - Am l going to casually listen to music in my sunroom? Then HD650s with a portable amp and the phone as a source. - Am l going to watch a movie or listen to music more critically? HD800. - Is there noise of any kind? Do l feel the 'energy' of the morning at home (as quiet as my neighborhood and home are)? Then 820 for the mild isolation properties they have (not huge, but certainly better than an open-back HP). - Do l want a different flavor to my music? HE400. My headphone amplifier is an Audio-GD Reference 10.32. HD820 Personal Impressions: l've had these HPs for longer than 1 month now. The easy (almost) silly way to describe them would be saying they're a 'relatively similar closed-back version of the HD800s.' They do share some of the characteristics that made the HD800s so great (impressive 3D soundstage, imaging, instruments placement) then they add their own features (less realistic timbre, better micro-dynamics). Compared to the HD800 (non 's') the HD820 would have a 'slightly' elevated bass and a 'non problematic treble.' (*Please note that the HD800 treble is problematic in lower quality amps. Recently, just for fun, l bought a Fiio K7. The HD800 treble was awful, l deeply disliked it. Then l bough the K9 ESS and K9 Pro ESS and oh, the treble was beautiful again. Not Reference 10.32 beautiful, but perfectly listenable and yes, still beautiful. Those Fiio k9 ESS amps sound great but are extremely, severely unreliable. l don't recommend them). The downside of the HD820 is that, sometimes, the vocals sound weird, off, distant, you name it. Just not right. But that only happens sometimes, no often, with specific songs. When it happens, you'll notice it and you'll dislike it. But, again, that's the exception, not the norm. Like the HD800, the HD820 are 'very' capable of producing thunderous bass should the song be recorded like that. These 2 HPs are faithful to the recordings, which means that, if the bass isn't present in the recording, you won't hear it and, if the bass should be there, it'll be there. Remember that the HD820 bass is similar to that of the HD800s (slightly elevated, deviated from neutral, compared to that of the HD800, which is the most neutral, reference level of the 3). l read some people complaining about how the HD820s are so dependent on a specific head placement. Well, l don't have that problem. Maybe l have an alien head, unlike those people. Maybe my head resembles the Sennheiser's 'tunning unit' or go figure but, in my experience, when l get a bit of a hot spot on top of my head from wearing the HPs, l move them forward or backwards as needed and then, problem solved: no hot spot, no difference in sound quality or bass or anything other than restored comfort (which, by the way, is excellent, premium comfort level). l read the earpads fall off easily. Not in my experience, not to this date and, trust me, l've been putting on these bad boys on and off at least once every day since l own them. At least. l'm still to find my cat playing with an earpad that fell the night before while the HP was sitting on the stand... Some also said that the cable is awful, that it falls apart before you blink an eye. Well, if the HD820 cable is of similar quality of that of my HD800 then l guarantee you that cable is here to stay. My HD800 cables are in pristine condition. l have almost exclusively used the balanced (XLR) cable and it shows 'zero' signs of use. l'm afraid that cable is going to outlast me and the person who complained about it (and my cat). Now, this is where the HD820 differs from the HD800, and what makes it a very special proposition. The HD800 is an analytical headphone in its nature. That means you can't help but finding yourself analyzing the music while on your listening session. Even if all you want is to unwind, the HD800 will drive you to the details, it'll demand your attention. The beauty of the HD820 is in that it is absolutely capable of being an analytical headphone, but it doesn't have to. The HD820 will let you sit back and relax. It won't ask for your attention, although it may ask for your feelings, which will certainly be touched and moved with that marvelously conveyed music reproduction. Now, should you want to discover a specific tone, instrument or detail hidden in the music, just pay attention and the HD820 will reveal it to you. The paragraph above and the (mild) noise isolation the HD820 offers is where the extra cost over both the HD800 and HD800s is. Having a closed-back headphone sounding this good takes lots of engineering hours, some of them being top class German engineers. You got to pay for that. Besides, this is a premium product and you surely pay that extra for the premium, nothing new, right? Are the HD820 worth $2400 MSRP (when they first got released)? Only you can tell. Just don't let others decide for yourself, especially not 'professional reviewers' who get paid to talk and defend the interests of those who paid them to talk in the first place. I did pay for these headphones with my own money and yet, l'm not asking you to buy them or keep them, l'm asking you to decide for yourself. l hope you enjoyed reading my personal opinion about these headphones.

### ⭐ Be careful with ordering these through Amazon
*by K***. on July 6, 2022*

I ordered a pair of these a couple weeks ago as a huge audiophile and after test driving a pair at a local A/V store - huge upgrade and would've been fantastic *if I wasn't sent a broken used pair on the first go*. The earcups didn't have the new sticker on them that comes with the pair and there was no audio coming from the right earcup. After unplugging the cable to inspect it was apparent that the two copper prongs that connect to the headset just weren't even there; completely broken from the cable. After returning those I had to place another order as Amazon wouldn't do an exchange and the box I received looked as though it was used as a rugby ball at some point. Clearly opened, cables a mess throughout the box, and this time while there was audio it was crackled throughout. My assumption is these were open box rebranded as new and the cables were swapped out because there's no reason a new and clean cable would be that bad of quality. After 2 passes of returns I'm going to just pick up a pair locally where I can open it in store.

## Frequently Bought Together

- SENNHEISER HD 820 Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers with Glass Reflector Technology, Sound Isolating Closed Earcups, Includes Balanced Cable, 2-Year Warranty (Black)
- Sennheiser Consumer Audio HDV 820 Reference Headphone Amplifier DAC - ESS 9028PRO Sabre with USB
- Sennheiser Genuine Adapter Cable Female 1/4" 6.3mm to Male 1/8" 3.5mm Plug for Headphones

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*Last updated: 2026-02-08*