---
product_id: 1214337
title: "Sennheiser HD 600 - Audiophile Open-Back Dynamic Wired Headphones Over Ear with Natural Soundstage and Premium Comfort for Music Lovers, Open Metal Earpiece Covers, Black"
brand: "sennheiser"
price: "86038 som"
currency: KGS
in_stock: true
reviews_count: 13
category: "Sennheiser"
url: https://www.desertcart.kg/products/1214337-sennheiser-hd-600-audiophile-open-back-dynamic-wired-headphones-over
store_origin: KG
region: Kyrgyzstan
---

# 300Ω impedance for studio-grade clarity Open metal mesh earpiece for natural soundstage Detachable Kevlar-reinforced OFC cable Sennheiser HD 600 - Audiophile Open-Back Dynamic Wired Headphones Over Ear with Natural Soundstage and Premium Comfort for Music Lovers, Open Metal Earpiece Covers, Black

**Brand:** sennheiser
**Price:** 86038 som
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your audio game — hear every detail, feel every moment.

## Quick Answers

- **What is this?** Sennheiser HD 600 - Audiophile Open-Back Dynamic Wired Headphones Over Ear with Natural Soundstage and Premium Comfort for Music Lovers, Open Metal Earpiece Covers, Black by sennheiser
- **How much does it cost?** 86038 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/1214337-sennheiser-hd-600-audiophile-open-back-dynamic-wired-headphones-over)

## 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

- • **Versatile Connectivity:** Detachable Kevlar-reinforced oxygen-free copper cable minimizes noise and enhances durability for daily professional use.
- • **Durable & Stylish Build:** Sleek black and gray finish with open metal mesh grilles offers both premium aesthetics and superior acoustic transparency.
- • **Audiophile-Grade Precision:** Experience crystal-clear, distortion-free sound with advanced neodymium ferrous magnets and dynamic drivers.
- • **Immersive Open-Back Design:** Natural spatial imaging keeps you connected to your environment while delivering expansive, lifelike soundstage.
- • **Unmatched Comfort for Long Sessions:** Lightweight design paired with plush ear pads ensures fatigue-free listening during marathon work or leisure hours.

## Overview

The Sennheiser HD 600 are professional-grade open-back wired headphones designed for audiophiles, music producers, and discerning listeners. Featuring a 300-ohm impedance, dynamic drivers with neodymium magnets, and a detachable Kevlar-reinforced oxygen-free copper cable, these headphones deliver natural, artifact-free sound with exceptional spatial imaging. Lightweight and comfortable for extended wear, their open metal mesh earpieces provide a transparent soundstage ideal for critical listening, mixing, and immersive gaming. A timeless classic engineered in Ireland, the HD 600 combines durability, premium comfort, and reference-quality audio performance.

## Description

Sennheiser HD 600 over-ear headphones.These over ear headphones wired for hi-fi listening are an audiophile-grade open dynamic model crafted in Ireland. The advanced diaphragm design eliminates standing waves, yielding sound without artifacts and acoustical disturbances. Many headphones Sennheiser fans consider this hd600 an essential companion for any sound connoisseur, music enthusiast, or remote worker seeking high-fidelity audio during home listening or travel headphones sessions. Natural, spatial imaging and excellent transient response keep travelers, hybrid workers, and gaming devotees immersed without fatigue.Expertly crafted open metal mesh grilles deliver transparent sound, while computer-optimized magnet systems minimize distortion. Lightweight aluminum voice coils ensure rapid transients, and a neodymium ferrous magnet system provides optimum sensitivity. The detachable Kevlar-reinforced OFC copper cable supports reliable daily use for home listeners.Engineered for critical listening and mastering, these professional stereo headphone models are beloved by mastering engineers and the discerning mix engineer seeking accurate sound, clean sound, and natural sound reproduction. Their circumaural design and impedance 300 ohms rating make them an ideal companion for a hi-fi stack, stereo system, or dedicated listening room, delivering great results with spacious stereo imaging and lifelike detail. Whether used for analytical studio work or pure enjoyment, these headphones provide reference-grade performance that reveals every nuance.Used in home environments and music playback, these headphones for music pair effortlessly with hi-resolution recordings through 1⁄4″ or 1⁄8″ jacks (300-ohm impedance, 12–39 000 Hz frequency response, 0.1 % THD, 260 g weight). Gamers value the expansive soundstage offered by this gaming headphones no mic design.

Review: Punching way above their cost. - Edit Oct. 2021: Bought a brand new pair with the much more sophisticated design. Purchased from Ebay seller, and they came in the super duper cheap box they have going now. Many will recall the originals came in a hard case with foam that gave them some prestige. Some reviews have called the new line out as not being as sturdy. Maybe that was an old production run. The ones I have are premium, feel much nicer than my older pair, and comparing sweeps in both ears are also more accurate and matched better. All things considered, these are the gold standard at this price range. The 650 vs 600 argument is done to death, but in the end it's much easier to EQ down in treble than it is to EQ out a midbass hump and boost treble that is not properly there in the first place. I usually EQ higher treble down a bit on most headphones. Even going natural the 600s are amazing. Fully balanced. And now with a super deluxe finish that they have deserved for years. Yes, the packaging is cheaper. Too cheap IMO, but I had no damage and no major issues with my pair. Sennheiser has made the 600s into a mini-tentpole headphone for the next couple decades at least. These look superb, and in hand they feel better than tawdry, faux-marble design of the last pair. Smoother. No creakiness either. No longer do these look like chintzy 80s headphones. They look like superior cans from a modern age. They still have the red cord wrap on the left side to distinguish them from the 650s. Otherwise, they are much the same as the old pair outside the new bezel and headband, which are absolutely worth updating if yours are super old. Throughout the midrange and treble I find them nearly unmatched in the 200-500 dollar range. The sound of the instruments is natural and immersive. The design is very comfortable for me barring the first few days of getting the headband to mold to your head. I have a larger head and no issues. I think the sound is great for all genres. Some may want a different type of sound from certain genres and should look at various in-depth reviews to make their decision, such as those at inner fidelity and other audio sites. I feel the bass and balance in these remains great, especially on a nicely matched pair. Some people may want more bass, and they should look around to find the various comparisons on different sets. As far as having a neutral and beautiful set of cans for most material, it's nearly impossible to beat these in the 200-500 dollar range. Highly recommended on every level. Essential for audio enthusiasts, but do remember they are 300 ohm headphones and require extra power to sound their best.
Review: These are great...GREAT headphones. - I'm generally of the opinion that the word "classic" gets thrown around too often in the world of headphones, but I have to say, for as old and storied as the Sennheiser HD600's are, they truly embody the title in every way possible. As far as "mid-fi" headphones go, I don't look to any other can out there, and to tell the truth they're actually my most used pair of headphones simply because the sound signature is so appealing and easy to listen to and appreciate. Sound: Obviously this is the most important aspect of headphones past a certain price point, and as I said, the HD600's don't disappoint in any discernible way. Sure, you're going to get better clarity and imaging as you go up in price, but for what they are, the HD600's have a truly outstanding sound signature. Highs are dark to the point that some would say they suffer from the infamous "Sennheiser veil," but that term honestly means less and less to me everyday I use these. The highs are about as articulate and detailed as you're going to get at this price point, only they're not "up front" like you hear from the likes of Beyerdynamics, so there are never any bursts of shrillness from the likes of cymbals and hi-hats. For the longest time, the promise of "darkness" from these cans scared me away, but I have to say, it's hard to listen to brighter headphones after hearing these. It's all of the detail without any of the bite. Mids are perhaps slightly overextended, especially on the higher end of the mid-range spectrum, but not to the point of sounding unnatural. Just to the point of becoming a preferential option when considering different headphones. Overdriven guitars sound especially fantastic. As a testament to their greatness, I actually disliked the Black Keys until I heard "Gold on the Ceiling" through these. Lows are in keeping with the "neutral" sound of the HD600's. They never overpower anything, but they're there when they're supposed to be, and focused and tight to boot. Considering their open design, I have no complaints with the lows whatsoever, especially coming off more bass-anemic cans like the AKG Q701's. Obviously they are not basshead cans, but they still deliver what they need to. The soundstage is wonderful as well. It's not as wide as the Q701's (though to be fair, that's the widest I've ever heard), but it's natural, airy and articulate enough to create a very pleasant stage overall. Also, it's probably obvious if you're looking to spend this much on headphones, but a good headphone amp REALLY brings these alive. They are actually surprisingly easy to drive, but a good amp and DAC really make Comfort: No need to spend too much time here. These are Sennheiser headphones. They're most likely going to be some of the most comfortable headphones you ever put on your head. Though I will say that these in particular need a little "bend-in" time to really get comfy. Everything is padded very well, but the clamping force right out of the box is slightly too strong, but thankfully becomes a non-issue after ten or so hours of use. Build Quality/Features: "Features" isn't really a strong suit of most Sennheiser headphones (not that that's a particularly bad thing), so I'll just say feature-wise, they terminate in a 3.5mm plug and come with a 1/4" adapter that fits nicely over the 3.5mm. That's about it, honestly. The build quality is great, though they are a bit more plastic-y than I would like. Other than that, I have no complaints here either. The velour pads are affixed nicely to the cups, the aluminum lining in the headband seems very sturdy, and even the plastic itself feels at least high quality and hearty. Also, it's worth noting that the binding method on the headband is totally different from Sennheiser's lesser HD models, so that infamous "headband cracking" you seen occasionally on the 598's, 595's and 555's is non-existent in these. Conclusion: I can't recommend these enough. They will most likely be an outstanding step up from whatever you're upgrading from. Some of my favorite headphones ever.

## Features

- Audiophile-Grade Clarity: These earphones wired include neodymium ferrous magnets that ensure precise, dynamic audio for immersive listening
- Extended Listening Comfort: Lightweight Sennheiser HD600 corded headphones for music with plush ear pads allows fatigue-free enjoyment during long sessions and daily listening
- Durable, Premium Build: Sennheiser wired headphones feature a sophisticated black and gray finish with expertly crafted open metal mesh earpiece covers. Connect it with the Sennheiser HD 500 BAM microphone to use as gaming headsets for gaming sessions
- Detachable Kevlar-Reinforced Cable: Oxygen-free copper cable for Sennheiser headphones wired minimizes handling noise while providing flexibility and long-lasting performance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00004SY4H |
| Additional Features | Lightweight |
| Age Range Description | Adult |
| Antenna Location | Music |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #2,440 in Electronics ( See Top 100 in Electronics ) #106 in Over-Ear Headphones |
| Brand | Sennheiser |
| Brand Name | Sennheiser |
| Built-In Media | Adapter, HD 600 |
| Cable Features | Detachable, Without Cable |
| Color | Black |
| Compatible Devices | Music Production Equipment, Laptops, Desktops, Gaming Consoles, Televisions, Hi-Fi Systems, Professional Audio Equipment |
| Connectivity Technology | Wired |
| Control Method | Touch |
| Control Type | Noise Control |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.7 out of 5 stars 3,170 Reviews |
| EU Spare Part Availability Duration | 2 Years |
| Ear Placement | On Ear |
| Earpiece Shape | Over Ear |
| Enclosure Material | Plastic, Metal, Oxygen-Free Copper |
| Form Factor | Over Ear |
| Frequency Range | 12-40500 Hz |
| Frequency Response | 40500 Hz |
| Global Trade Identification Number | 04044155249545 |
| Headphone Folding Features | Over Ear |
| Headphone Jack | 3.5 mm Jack |
| Headphones Ear Placement | On Ear |
| Impedance | 300 Ohms |
| Is Autographed | No |
| Item Weight | 9.1 Ounces |
| Manufacturer | Sennheiser |
| Model Name | Sennheiser HD 600 |
| Model Number | 4465 |
| Noise Control | None |
| Number of Items | 1 |
| Sensitivity | 97 dB |
| Series Number | 600 |
| Specific Uses For Product | Multi-Purpose |
| Style Name | HD 600 |
| UPC | 615104044654 615104340459 |
| Unit Count | 1.0 Count |
| Warranty Description | 2 year |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | Wired |

## Product Details

- **Brand:** Sennheiser
- **Color:** Black
- **Ear Placement:** On Ear
- **Form Factor:** Over Ear
- **Impedance:** 300 Ohms

## Images

![Sennheiser HD 600 - Audiophile Open-Back Dynamic Wired Headphones Over Ear with Natural Soundstage and Premium Comfort for Music Lovers, Open Metal Earpiece Covers, Black - Image 1](https://m.media-amazon.com/images/I/81op1KfxDBL.jpg)
![Sennheiser HD 600 - Audiophile Open-Back Dynamic Wired Headphones Over Ear with Natural Soundstage and Premium Comfort for Music Lovers, Open Metal Earpiece Covers, Black - Image 2](https://m.media-amazon.com/images/I/51lTCjlx9lL.jpg)
![Sennheiser HD 600 - Audiophile Open-Back Dynamic Wired Headphones Over Ear with Natural Soundstage and Premium Comfort for Music Lovers, Open Metal Earpiece Covers, Black - Image 3](https://m.media-amazon.com/images/I/91yAdxLEt3L.jpg)
![Sennheiser HD 600 - Audiophile Open-Back Dynamic Wired Headphones Over Ear with Natural Soundstage and Premium Comfort for Music Lovers, Open Metal Earpiece Covers, Black - Image 4](https://m.media-amazon.com/images/I/71Ciak53a5L.jpg)
![Sennheiser HD 600 - Audiophile Open-Back Dynamic Wired Headphones Over Ear with Natural Soundstage and Premium Comfort for Music Lovers, Open Metal Earpiece Covers, Black - Image 5](https://m.media-amazon.com/images/I/71jTjXkz52L.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Are these as good as Beats by Dre?**
A: Beats by dre has a tuning that can be summarized as a trainwreck. 
Beats by dre have bloated bass and poor upper range that sounds completely unnatural and not clear at all. Sennheiser hd600's are a reference class headphone; which means they're tuned to be as natural as possible. They have what is referred to as a "ledgendary" tuning (which i agree with). 
If you like to hear what you're listening to in all its detail, then hd600's are the better option. If you don't care about quality at all, and only like poorly executed bass, then the beats are the better option. 
In my opinion, beats is outclassed even by cheap chinese audio brands like moondrop and tangzu. Beats can't even compare with sennheiser as a brand, let alone headphone vs headphone. 
Its like asking if someone who has never played a game is as good as a pro. Hd600's will last you for life and are all you need for good quality sound. 
However, you will need an amplifier (apple dongle for example) to get these to a loud enough volume.

**Q: sound leakage**
A: Ok, I am in my mid 50's and I do not blast the volume so keep that in mind, as a reference on my iPad I listen with the volume at about 2/3 and on my iPod classic the volume is just over 1/2. The sound leakage does not bother my wife (she is easily bothered by my music) with her sitting 5-6 feet away. Along the same vein the headphones do not block outside sound, if you pause the music you can easily carry on a conversation without taking them off. Hope this has some usefulness.

**Q: bass response?**
A: I'll put it this way: These cans play the song that was recorded the way it was recorded. If the artist didn't make it thump these won't make it thump. So if you want your headphones to add bass that wasn't recorded by the artist then these won't do that. These play EXACTLY what was recorded. So if you don't like the bass response of these then you are a person that likes your music with added bass that the artist never intended.

**Q: Where is this Sennheiser HD 600 made ?**
A: Sennheiser has a manufacturing plant in Ireland where some models of their headphones are made.  The product sheet for my pair of HD600s was printed in Ireland and the general word on the street is this model is made there.  The HD800 is currently manufactured in Germany but most of the other models are made in Ireland with a few in China.  A Google search of 'HD6600 made in Ireland' will get you some discussion boards on this subject.  Hope this helps.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Punching way above their cost.
*by C***K on April 30, 2016*

Edit Oct. 2021: Bought a brand new pair with the much more sophisticated design. Purchased from Ebay seller, and they came in the super duper cheap box they have going now. Many will recall the originals came in a hard case with foam that gave them some prestige. Some reviews have called the new line out as not being as sturdy. Maybe that was an old production run. The ones I have are premium, feel much nicer than my older pair, and comparing sweeps in both ears are also more accurate and matched better. All things considered, these are the gold standard at this price range. The 650 vs 600 argument is done to death, but in the end it's much easier to EQ down in treble than it is to EQ out a midbass hump and boost treble that is not properly there in the first place. I usually EQ higher treble down a bit on most headphones. Even going natural the 600s are amazing. Fully balanced. And now with a super deluxe finish that they have deserved for years. Yes, the packaging is cheaper. Too cheap IMO, but I had no damage and no major issues with my pair. Sennheiser has made the 600s into a mini-tentpole headphone for the next couple decades at least. These look superb, and in hand they feel better than tawdry, faux-marble design of the last pair. Smoother. No creakiness either. No longer do these look like chintzy 80s headphones. They look like superior cans from a modern age. They still have the red cord wrap on the left side to distinguish them from the 650s. Otherwise, they are much the same as the old pair outside the new bezel and headband, which are absolutely worth updating if yours are super old. Throughout the midrange and treble I find them nearly unmatched in the 200-500 dollar range. The sound of the instruments is natural and immersive. The design is very comfortable for me barring the first few days of getting the headband to mold to your head. I have a larger head and no issues. I think the sound is great for all genres. Some may want a different type of sound from certain genres and should look at various in-depth reviews to make their decision, such as those at inner fidelity and other audio sites. I feel the bass and balance in these remains great, especially on a nicely matched pair. Some people may want more bass, and they should look around to find the various comparisons on different sets. As far as having a neutral and beautiful set of cans for most material, it's nearly impossible to beat these in the 200-500 dollar range. Highly recommended on every level. Essential for audio enthusiasts, but do remember they are 300 ohm headphones and require extra power to sound their best.

### ⭐⭐⭐⭐⭐ These are great...GREAT headphones.
*by J***H on March 22, 2013*

I'm generally of the opinion that the word "classic" gets thrown around too often in the world of headphones, but I have to say, for as old and storied as the Sennheiser HD600's are, they truly embody the title in every way possible. As far as "mid-fi" headphones go, I don't look to any other can out there, and to tell the truth they're actually my most used pair of headphones simply because the sound signature is so appealing and easy to listen to and appreciate. Sound: Obviously this is the most important aspect of headphones past a certain price point, and as I said, the HD600's don't disappoint in any discernible way. Sure, you're going to get better clarity and imaging as you go up in price, but for what they are, the HD600's have a truly outstanding sound signature. Highs are dark to the point that some would say they suffer from the infamous "Sennheiser veil," but that term honestly means less and less to me everyday I use these. The highs are about as articulate and detailed as you're going to get at this price point, only they're not "up front" like you hear from the likes of Beyerdynamics, so there are never any bursts of shrillness from the likes of cymbals and hi-hats. For the longest time, the promise of "darkness" from these cans scared me away, but I have to say, it's hard to listen to brighter headphones after hearing these. It's all of the detail without any of the bite. Mids are perhaps slightly overextended, especially on the higher end of the mid-range spectrum, but not to the point of sounding unnatural. Just to the point of becoming a preferential option when considering different headphones. Overdriven guitars sound especially fantastic. As a testament to their greatness, I actually disliked the Black Keys until I heard "Gold on the Ceiling" through these. Lows are in keeping with the "neutral" sound of the HD600's. They never overpower anything, but they're there when they're supposed to be, and focused and tight to boot. Considering their open design, I have no complaints with the lows whatsoever, especially coming off more bass-anemic cans like the AKG Q701's. Obviously they are not basshead cans, but they still deliver what they need to. The soundstage is wonderful as well. It's not as wide as the Q701's (though to be fair, that's the widest I've ever heard), but it's natural, airy and articulate enough to create a very pleasant stage overall. Also, it's probably obvious if you're looking to spend this much on headphones, but a good headphone amp REALLY brings these alive. They are actually surprisingly easy to drive, but a good amp and DAC really make Comfort: No need to spend too much time here. These are Sennheiser headphones. They're most likely going to be some of the most comfortable headphones you ever put on your head. Though I will say that these in particular need a little "bend-in" time to really get comfy. Everything is padded very well, but the clamping force right out of the box is slightly too strong, but thankfully becomes a non-issue after ten or so hours of use. Build Quality/Features: "Features" isn't really a strong suit of most Sennheiser headphones (not that that's a particularly bad thing), so I'll just say feature-wise, they terminate in a 3.5mm plug and come with a 1/4" adapter that fits nicely over the 3.5mm. That's about it, honestly. The build quality is great, though they are a bit more plastic-y than I would like. Other than that, I have no complaints here either. The velour pads are affixed nicely to the cups, the aluminum lining in the headband seems very sturdy, and even the plastic itself feels at least high quality and hearty. Also, it's worth noting that the binding method on the headband is totally different from Sennheiser's lesser HD models, so that infamous "headband cracking" you seen occasionally on the 598's, 595's and 555's is non-existent in these. Conclusion: I can't recommend these enough. They will most likely be an outstanding step up from whatever you're upgrading from. Some of my favorite headphones ever.

### ⭐⭐⭐⭐⭐ HD6XX vs HD600 vs HD660s2 | Comparison & Review
*by K***N on May 27, 2025*

If you are reading this, chances are you’re stuck in the exact same predicament that many of us find ourselves in at some point, including myself recently. Which HD6** series headphone would suit me best? Despite reading hundreds of forum posts, analyzing dozens of squiggling graphs, and scouring in-depth reviews for that potential “ah-ha!” moment that would convince me one way or another, I still found myself going in endless circles deciding on what to get. I started with the HD6XX due to its ridiculously good price when on sale ($179). With how impressed I was with it on my xDuoo TA-66, I just knew I had to try the others. Naturally, nothing in audio ever seems good enough, and once again I succumbed to the curiosity that something “better” was right around the corner. And now we’re here. The only real difference between the three as far as “what's included” are the cables. HD6XX has a 4.5ft terminated into 1/8th (with adapter), HD600 has a 9ft into a 1/8th (with adapter), and the HD660s2 has two 6ft into a 1/4th and 4.4. HD600’s cable is the thinnest and most flexible, but both the cable and connectors are quite a bit smaller and don’t seem as durable. Other than the extra cable the HD660s2 includes, it also comes wrapped in a microfiber bag instead of a plastic bag like the others (must be where all that extra cost comes in). Jokes aside, physically all headphones are nearly the same with slight variations in frames, color, and swivel. HD660s2 and HD600 have flatter earcup frames whereas the HD6XX is more rounded. The HD6XX also has slightly less swivel range but is less creaky, whereas the HD600 and HD660s2 had a bit more swivel but there was more of an audible rattle when handling or setting down the headphones. Very minor and in no way a flaw, just something I noticed. A word on amplification and gear. I'm using the Topping DX5 as the DAC (sometimes with the headphone out) and the xDuoo TA-66 OTL tube amp. In conjunction with the stock tubes, I’m also testing RCA 6AS7G and 6080 for the rear, and Gold Lion 12AX7 (with adapter) and Voskhod 6N2P-EV for the front. Some combinations I’ve definitely liked more than others, but the stock tubes are FINE! Having owned the HD600 and HD650 many times in the past and heard them on a variety of equipment, after hearing them on the TA-66 I can confidently say these Sennheiser’s really DO need tubes to sound their best. And for $250, I simply cannot recommend the TA-66 enough. I do believe an OTL tube amp is essential for any of these headphones as the sound changes/gains are quite obvious. Match made in heaven. So the adventure began with the HD6XX and the TA-66. I was so overjoyed with this combo and quite honestly, I’ve never heard the HD6XX/HD650 sound this good! My favorite combo was the RCA 6080 and the Gold Lion 12AX7, both waking up the HD6XX and injecting it with more energy. However I was NOT a fan of the RCA 6AS7G as it made them sound really mushy and strained. With how much I was enjoying the HD6XX this time around, I knew I had to get the HD600 once more, having preferred it to the HD650 in the past. To my surprise, I didn’t necessarily… like it more? While the slightly more neutral sound signature was nice for some things, the HD6XX had a more pleasing and likeable tone. The HD600 could sometimes sound a tad thin in comparison. Honestly, both were so close and kept trading blows to the point where I couldn’t choose between them. Thus, the tie breaker is price. HD6XX takes it. Next up, the HD660s2. Having never heard these (or the originals), I wasn’t sure what to expect. I went into it fully hoping that they would be a clear winner with their “extended bass” and other tweaks. I had to do a bit of mental gymnastics to get past the price in comparison to the others ($399 on sale), but I told myself that if they were the tiebreaker and I generally preferred them to the other two that I’d keep them despite representing the worst value of the three. Immediately upon first listen, I did NOT like them! What was this? Bloated bass, darker sound than the HD6XX, a slightly wonky tone, and no noticeable technical improvement in any other area? I was beside myself. This is Sennheiser’s latest and greatest HD6** headphone? First thing that came to mind was the HD700 with Dekoni pads. Was not a fan of those either for the same reason, but at least those were more comfortable and had a larger soundstage. Bass is what you notice first and foremost, and it distracts you from the magic mids. All things considered, the bass isn’t great either. Don’t be fooled into thinking this is a HD600 or HD6XX with “deep bass”. If you want headphones with deep bass, you’d be better off choosing planars or closed-backs. Another way of putting this is to think of the neutral reference HD600 as a “0” on a scale representing its level of bass, treble and sound signature with each sequential number decreasing treble, increasing bass, and sounding warmer. The HD6XX would slot in as a “1”, a little less treble, a little more bass, a little warmer. HD660s2 would then be a “3” as I think the difference from the HD6XX to HD660s2 is larger than the HD600 to HD6XX. The DT880 would probably be a “-1” on this scale, being colder and brighter sounding. Honestly, after following up listening to the HD660s2 with the HD6XX, the HD6XX sounds like it should be the HD660s3, because it “fixes” the flaws I had with the HD660s2. I just don’t get it. HD6XX and HD600 are clearly sidegrades to each other, whereas the HD660s2 is a downgrade in my opinion. Focusing on just the HD600 and HD6XX, these are some of my favorite headphones of all time. Their glorious midrange is still unmatched and I have yet to find a headphone with better tone or timbre. The only other headphone I can recall liking more overall is the HE1000 Stealth. Despite my preference for light bass (I use Magnepan LRS+ with no subs for example and LOVE them), I actually lean more toward the HD6XX than the HD600 which surprised me. I think the HD6XX synergies with tubes a bit more and the sound seems just a little smoother, more cohesive, and more weighty. I think the HD600 is objectively the better headphone, with the HD6XX being subjectively the better one. My brain says HD600, but my heart says HD6XX. Again, very minor differences between them and both are incredible headphones, but the HD6XX is unequivocally the no-brainer simply because of its price. On solid state amps, I find this series can be too mellow, uninvolving, or restrained, but tubes really capitalize on their strengths and are the key to unlocking their full potential. Let’s recap real quick and see the current standing. So we have the HD6XX around $200, the HD600 around $300, and the HD660s2 around $400. The HD6XX and HD600 are too close to call making the extra $100+ not seem like a good investment, yet here we have the HD660s2 which is unquestionably in 3rd place… yet they are DOUBLE the price of the HD6XX? Absolutely not. At the current pricing structure, quite frankly, the HD660s2 is a joke. Do I think the HD600 and HD6XX are $300 headphones? Absolutely. How about the HD660s2? No way. I think they sound like a $200 headphone at best, but based on the HD6XX’s price, I personally would not pay more than $150 for them. By the same token, I also do not think the HD600 is worth $300+ considering the market disruptor HD6XX can be had for $179 or $199. That being said, I don’t think the HD660s2 is a bad headphone. In fact, I still did enjoy it once I got used to it. No doubt its flavor would appeal to some over the HD6XX or HD600 in direct comparison, but I emphasize “direct comparison”. Because at the end of the day, I can’t stress enough just how similar all three of these headphones sound and to just buy whatever is cheapest or most available to you. Case in point, of the many hours I was comparing these three, I can’t tell you how many times I would lose track and literally forget which of them was on my head, only to be blindsided when I pulled them off thinking it was one of the others. This really proved to me that once I started listening, the finer details and small tuning differences faded into obscurity and I was then just listening to a “Sennheiser” headphone. Wrapping up, the biggest discrepancy with this trio of headphones is undoubtedly price and value. So what do I recommend? If you don’t own any of these headphones, get the HD6XX when it's $179, a TA-66 for $249, have some fun rolling tubes, and enjoy the music! The tube swaps provided a bigger sound quality change than switching between any of these headphones and for a whole lot cheaper! And if you already own one of these headphones and are tempted to purchase one of the others hoping for an upgrade or just a different flavor, don’t bother… you only need one HD6** headphone. Famous last words: “you only need one”.

## Frequently Bought Together

- Sennheiser HD 600 - Audiophile Hi-Res Open Back Dynamic Headphone
- NewFantasia Replacement Audio Upgrade Cable Compatible with Sennheiser HD650, HD600, HD580, HD58X, HD660S, HD660S2, Massdrop HD6XX Headphones 1.2meters/4feet
- AHG Accessory House Global carrying case compatible with Sennheiser HD 650 HD 660S HD 660S2 HD600 Massdrop X HD 6XX HD58X Jubilee HD580 and HD565 headphones. Ultimate protection/Easy transport

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