RANKING

Rank 35 out of 52 Summarized in this category Rankings based on: • Pros-to-cons ratio • Number of reviews • Category average

Sennheiser

HD 6XX

Name: HD 6XX
Brand: Sennheiser

around $220

All prices are estimates and may vary from actual prices.

283 Pros

68%
27 reviews (4h 36m)

133 Cons

Discover the legendary sound that redefined accessible audiophile performance with the Sennheiser HD 6XX. Born from a collaboration with Drop, these headphones offer the soul of the revered HD 650 at a fraction of the cost. The HD 6XX is celebrated for its remarkably natural and balanced sound signature. Its standout feature is an incredibly smooth...

Summary of pros and cons from human reviewers, put together by AI

70%

136 vs 57

Sound Quality

67%

39 vs 19

Comfort

76%

32 vs 10

Build Quality

78%

39 vs 11

Value for Money

58%

14 vs 10

Design

Reviewer verdict

Across 27 YouTube reviews, the Sennheiser HD 6XX earns a Summa score of 3.7/5, ranking #35 among Wired Earbuds. Reviewers most often praise its sound quality, comfort, value for money, while the most common criticisms concern sound quality, comfort.

The HD 6XX is widely praised for its exceptional sound quality, with reviewers frequently highlighting its detailed, natural mid-range, controlled treble, and wide, immersive soundstage (noted in over a hundred mentions). Many reviewers also emphasize that it scales well with better source gear and pairs nicely with tube or balanced amps, delivering studio-like clarity and excellent imaging for music and gaming. Secondary strengths noted by multiple reviewers include strong comfort for long sessions, a lightweight yet sturdy build with detachable cables and replacement options, and outstanding value for money given its sub-$250 street price and similarity to higher‑priced HD 600/650 models. Overall consensus across the reviews is that the 6XX offers reference-grade, revealing sound and great comfort at a very attractive price point.

Criticisms center mainly on sound-related caveats: many reviewers mention rolled-off or underwhelming bass (especially sub-bass) and a somewhat intimate, not very expansive soundstage or perceived veil in the upper treble, with about 57 specific sound complaints noted. The 300 ohm impedance and need for a proper DAC/amp to reach full potential is a frequent practical downside, and some find clamp force initially tight before breaking in. Additional issues raised by multiple reviewers include open-back sound leakage making them unsuitable for public use, occasional build/cable quality complaints (stock cable and plastic feel), and shipping/buying hassles or added import costs for some buyers.

Analysis based on 27 YouTube reviews (4h 36m of video) with 283 pros and 133 cons extracted.

Pros (283)

Sound Quality (136)

Reference sound signature with full resolution, fantastic control of bass, and smoothing out on the high end without losing detail. ▶ Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! @ 2:21
Smoother treble compared to HD 598s while maintaining detail. ▶ Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! @ 2:27
Versatile sound that can be complemented by different amps (tube amp for warmth, analytical amp for brightness). ▶ Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! @ 3:48
Provides an immersive listening experience that can give goosebumps when listening to epic music. ▶ Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! @ 4:20
The Sennheiser HD 6XX headphones have amazing sound quality, allowing the user to hear a lot more detail and clarity compared to previous headsets. ▶ Sennheiser HD 6xx *Fortnite* Sound Review! @ 4:45
The headphones provide good spatial awareness in games, allowing the user to better pinpoint sound direction compared to previous headsets. ▶ Sennheiser HD 6xx *Fortnite* Sound Review! @ 5:47
The audio clarity is much better, especially when multiple sounds are happening simultaneously. ▶ Sennheiser HD 6xx *Fortnite* Sound Review! @ 9:32
The headphones deliver good depth and clarity in music, providing a satisfying listening experience. ▶ Sennheiser HD 6xx *Fortnite* Sound Review! @ 11:09
The headphone has a remarkably smooth, relaxed, and mellow sound signature with excellent levels of detail and clarity. ▶ Massdrop Sennheiser HD6xx Review @ 9:01
The headphone has an intimate but not claustrophobic soundstage, suitable for immersive listening experiences. ▶ Massdrop Sennheiser HD6xx Review @ 9:39
Excellent mid-range performance with a nearly perfect flat frequency response, natural and accurate timbre, and sweet vocals. ▶ Massdrop Sennheiser HD6xx Review @ 14:15
The treble response is nearly perfect, controlled, and capable of bright tones without being piercing or sharp. ▶ Massdrop Sennheiser HD6xx Review @ 15:18
The bass is articulate and detailed, though not especially present, with clear separation from other instruments. ▶ Massdrop Sennheiser HD6xx Review @ 12:09
The HD 6XX is considered musical, presenting audio as a complete, natural meal rather than dissected pieces. ▶ Massdrop Sennheiser HD6xx Review @ 11:03
When paired with a proper DAC and amp, the sound is smooth, accurate, and detailed, especially in the mid-range and treble. ▶ Sennheiser HD 6XX 😍 My TOP Open-Backs @ 6:06
The bass is tight and accurate, though not heavy, providing a balanced sound signature. ▶ Sennheiser HD 6XX 😍 My TOP Open-Backs @ 8:44
The mid-range is very sweet and smooth, making vocals sound unbelievable. ▶ Sennheiser HD 6XX 😍 My TOP Open-Backs @ 7:01
The treble is detailed and clear without harshness, providing excellent detail for most listeners. ▶ Sennheiser HD 6XX 😍 My TOP Open-Backs @ 7:20
The sound quality upgrade is comparable to going from a 480p TV to a 4K HDR TV, representing a significant improvement in resolution and clarity. ▶ Sennheiser HD 6XX 😍 My TOP Open-Backs @ 7:50
The Sennheiser HD 6XX scores very high in tests by ratings.com, indicating excellent performance. ▶ 💡Before YOU Buy An HD6XX, WATCH THIS!! @ 0:40
The HD 6XX has a sound profile that is a perfect balance between the forward mids of the HD 600 and the laid back mid-range of the HD 650. ▶ 💡Before YOU Buy An HD6XX, WATCH THIS!! @ 1:45
The HD 6XX sounds markedly different from the HD 650 and stands on its own as a headphone. ▶ 💡Before YOU Buy An HD6XX, WATCH THIS!! @ 1:40
The HD 6XX leans more towards the sound of the HD 600, being snappy, lively, and crisp. ▶ 💡Before YOU Buy An HD6XX, WATCH THIS!! @ 2:22
The frequency response graphs from ratings.com back up the distinct sound profile of the HD 6XX. ▶ 💡Before YOU Buy An HD6XX, WATCH THIS!! @ 2:32
The Sennheiser HD 6XX is a revamped version of the classic HD 650, considered one of the best sounding headphones under $1000. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 0:20
Sound is natural, clean, and studio-like, providing an immersive listening experience. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 4:45
Mids are natural and not compressed, giving a realistic feel of being in the same room with the artist. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 4:49
Bass is tight and accurate, not overly emphasized, but can be adjusted with the right amp and EQ. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 5:09
Excellent sound imaging and soundstage, making it feel like a live performance in a theater hall. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 5:34
Treble is detailed without being harsh or overly bright, allowing clear separation of instruments like cymbals. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 6:01
The balanced cable provides a louder sound which is helpful for the 6XX that requires more power at 300 ohms. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 3:32
The cable gives cleaner sound and allows you to truly enjoy your listening experience. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 3:58
The hd 560s has surprisingly good bass extension, almost flat down to 20 Hz with only a slight roll-off below 40 Hz. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 6:42
The frequency response is very balanced and neutral, closely conforming to the Harman target, especially in mid-range and treble. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 7:43
The headphone is very well tuned with flat bass, mid-range, and relatively inline treble, making it one of the best tuned headphones on the market in terms of frequency response. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 7:59
The 560s is a good pick for those who care mostly about frequency response and tuning rather than technical performance. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 15:54
These headphones sound amazing with a natural sound signature and enough bass to call it a bass headphone kind of. ▶ Sennheiser HD6XX review @ 3:09
The bass on these headphones is extremely good and not overbearing, meant for accuracy. ▶ Sennheiser HD6XX review @ 3:30
The Magni 2 Uber amp is capable of powering these 300 ohm headphones well. ▶ Sennheiser HD6XX review @ 1:01
The hd6xx is easily the more analytic of the two and feels more neutral. ▶ Sennheiser HD560S Review: Which Mid-Range Senn is Right for @ 2:40
The 6xx has a reputation for scaling really well on higher end gear. ▶ Sennheiser HD560S Review: Which Mid-Range Senn is Right for @ 6:34
Treble is very clear and not harsh ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 6:45
Midrange is excellent, some of the best out there ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 6:50
Good imaging, easy to pick out directionality, good for gaming ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 6:01
Works well with tube amps and balanced setups ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 2:50
Can be EQ'd to add more bass if desired ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 5:45
300 ohm impedance with fairly high sensitivity, making it an excellent match for output transformerless tube amplifiers. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 3:52
Very unique and interesting sound that is enjoyable to hear and valuable as a reviewing tool. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 4:46
Highly transparent and revealing mid-range, known for amazingly organic and natural mid-range timbre. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 9:09
Human voices and acoustic instruments sound incredible for the price. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 9:58
Scales well with the quality of source gear, revealing improvements in DACs and amplifiers. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 10:28
Useful for reviewing higher-end amplifiers up to around $1000 and beyond. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 11:39
Flexible tool and well-known reference point in the headphone community. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 12:23
Enjoyable to listen to with an absolutely stunning mid-range presentation. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 12:34
Open back design provides an unparalleled sound experience, making it feel like you're in a concert hall or recording booth. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 3:06
Dynamic range and resolution are incredible, very neutral sound signature without being too bright or warm. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 3:49
Good comfortable amount of bass that replicates intended music sound, though not heavy bass. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 4:18
Reveals ambient sounds and instrument layers not usually heard. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 4:43
Excellent for gaming, providing immersive sound that makes you feel in the middle of the action. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 4:55
Frequency response of 10 Hz to 41 kHz and nominal impedance of 300 ohms, benefiting from high-quality sources and amps. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 5:55
The HD6 series has a great reputation for being neutral, natural, and having an excellent tuning. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 2:04
The HD6 series has an incredibly well-earned reputation for being neutral and natural. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 2:05
The HD6 series has a well-balanced bass, mids, and treble across the board. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 10:31
The HD6 series is a versatile and natural sounding headphone with very few trade-offs. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 11:03
The HD 6XX sounds wonderful and very punchy with the ODMA amplifier, providing tonal density and a very punchy mid-range. ▶ Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featu @ 6:17
The ODMA amplifier significantly improves the HD 6XX, fixing problematic aspects and enhancing sound quality. ▶ Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featu @ 7:49
The Elisa circuit on the ODMA amplifier provides a very convincing and realistic stage width, enhancing the sense of space and zooming in on the stage. ▶ Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featu @ 8:30
The staging with the Elisa circuit is at least 50% more convincing and realistic than with the Zel HM1. ▶ Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featu @ 10:05
The HD 6XX with the Elisa circuit and ODMA amplifier delivers a wide, cohesive, and out-of-head stage that is phenomenal. ▶ Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featu @ 11:58
The slam and leading edge of sub-bass notes on the HD 6XX with the ODMA amplifier are incredible, deep, rumbly, and tactile. ▶ Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featu @ 12:52
The HD 6XX can handle heavy metal music well, combining beautiful vocals with strong slam and clarity. ▶ Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featu @ 13:45
The ODMA amplifier provides a forward mid-range presentation, giving a sense of height and large, palpable images with body. ▶ Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featu @ 14:00
The ODMA amplifier makes the HD 6XX sound very crystalline, transparent, clear, dynamic, melodic, warm, and rich. ▶ Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featu @ 14:30
The combination of the HD 6XX with the ODMA amplifier and Mola Tomaki deck creates a masterclass sound with treble sparkle and note clarity. ▶ Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featu @ 15:19
No changes to the sound signature, maintaining the classic audio quality. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 0:49
Open-back reference style headphones provide amazing sound quality with clear notes and incredible detail. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 2:20
Perfectly balanced bass, not overpowering but incredible. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 3:02
Great overall sound stage, recommended for monitoring, music listening, gaming, and watching videos. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 3:15
Known for intimate sound and strong vocal presentation. ▶ 6XX - Not for me. @ 3:12
Enjoyable bass, though not super clean. ▶ 6XX - Not for me. @ 3:28
Tube amps mellow out the sharpness and make listening more pleasant. ▶ 6XX - Not for me. @ 4:20
There is enjoyment to be had with these headphones and they are not unpleasant. ▶ 6XX - Not for me. @ 6:29
The sound signature is natural and less fatiguing, designed to be more natural sounding on human ears. ▶ The Headphones to Buy. Period. - HD6XX Review @ 3:22
They don't overdo the bass at the expense of clarity, unlike many mainstream headphones. ▶ The Headphones to Buy. Period. - HD6XX Review @ 3:40
They sound great out of the box or with EQ tuning. ▶ The Headphones to Buy. Period. - HD6XX Review @ 3:44
Despite 300 ohm impedance, they perform well even running off an iPhone without an amp. ▶ The Headphones to Buy. Period. - HD6XX Review @ 4:07
The open-back design provides a natural sound for music, movies, or games. ▶ The Headphones to Buy. Period. - HD6XX Review @ 5:13
Open-back design allows sound to breathe better and sounds more natural. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 2:48
High impedance (300 ohms) headphones provide high-quality sound, though require a headphone amp for best performance. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 3:11
Sound quality is very good after a 30-hour break-in period. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 9:56
Very intimate vocal presentation with forward and full mids, making vocals sound like singers are right next to you ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 0:19
Neutral and well-balanced vocals, not husky, warm, bright, or sharp ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 0:27
Not fatiguing even at higher volumes, allowing immersive listening ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 1:36
Scales very well for high volume listening ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 1:36
One of the best vocals around $200 with forward but still extended vocals ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 5:06
Open back design provides more open staging than some competitors ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 5:44
Easy to drive from phone or laptop, fairly light and comfortable on the head ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 6:39
Still a good pair of headphones in 2024 for relaxing, neutral, vocal-centric listening ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 7:14
Better soundstage than some IEMs ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 7:30
Open back design allows you to hear everything clearly, almost as if you didn't have headphones on, which is great for talking and hearing yourself perfectly. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 0:43
Sound signature is relatively flat and reproduces sound as the artist intended, making it a good reference headphone. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 0:23
Great sound quality, easy to drive from various sources including onboard motherboard audio and iPhone. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 2:14
Highly recommended for gaming, music, and movie watching due to great sound under various circumstances. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 2:34
Open back design provides excellent spatial awareness and positional audio, making the audio feel like it's in the room rather than just in your ear. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 1:23
They sound ridiculously good for music in a quiet environment, revealing details in songs that were previously unnoticed. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 4:19
These headphones bring out detail effortlessly and slow the music down in a way that makes it easier to pick out different instruments. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 5:41
They are the reviewer's favorite headphones for listening to music. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 6:26
They are very good for gaming with superior audio quality compared to typical gaming headsets. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 7:10
HD 600 is one of the most accurate and neutral vocal reproductions from a headphone. ▶ Trying Every HD "6" Series Headphone! 26 Years! @ 1:10
Both HD 600 and HD 650 are excellent headphones with unique characteristics. ▶ Trying Every HD "6" Series Headphone! 26 Years! @ 1:50
HD 650 leans more towards enjoyability with a slightly deeper and more focused bass and wider sound staging. ▶ Trying Every HD "6" Series Headphone! 26 Years! @ 1:58
HD 6xx is very close to the HD 650 in sound signature, with a smoother, more laid-back sound preferred by some users. ▶ Trying Every HD "6" Series Headphone! 26 Years! @ 4:03
HD 6xx is a vocal focused headphone, though less so than the 600 and 650, offering different degrees of vocal intensity. ▶ Trying Every HD "6" Series Headphone! 26 Years! @ 4:48
The headphones sound incredible with a lot of detail, reproducing everything from a string being picked in an acoustic guitar to a breath being taken by a singer. ▶ Sennheiser x Massdrop HD6XX Review @ 1:55
There is excellent instrumental separation; none of the instruments overpower the others and it sounds very natural. ▶ Sennheiser x Massdrop HD6XX Review @ 2:07
Vocals, both male and female, sound great and high notes are reproduced smoothly without raspiness. ▶ Sennheiser x Massdrop HD6XX Review @ 2:43
The headphones produce a nice bass thump despite being open-back. ▶ Sennheiser x Massdrop HD6XX Review @ 3:01
The soundstage is very wide, making them ideal for gaming and allowing precise spatial awareness without virtual surround sound. ▶ Sennheiser x Massdrop HD6XX Review @ 3:20
The sound is balanced with a slight bass emphasis but does not drown out mid-range frequencies, making it suitable for all kinds of music and game genres. ▶ Sennheiser x Massdrop HD6XX Review @ 3:46
The headphones produce so much detail they can easily be used for audio editing. ▶ Sennheiser x Massdrop HD6XX Review @ 5:58
Open back design provides a wider perception of sound and ambiance. ▶ Is This The Best Headphone Deal Ever? @ 1:46
High detail and spacious soundstage with clear separation of instruments. ▶ Is This The Best Headphone Deal Ever? @ 3:32
Recommended to use with a small pocket amplifier for best mobile listening experience. ▶ Is This The Best Headphone Deal Ever? @ 4:13
Significantly better listening experience compared to typical consumer headphones like Beats. ▶ Is This The Best Headphone Deal Ever? @ 4:45
Despite being 300 ohm, they are not very power hungry and can reach dangerous volume levels with less than 120 milliwatts. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 3:35
They require an amplifier that can swing about six volts or more for best performance, which most desktop devices can provide. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 4:08
They scale incredibly well with better source devices and amplifiers, improving sound quality as equipment is upgraded. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 8:52
The 6xx has an engaging, rich, and solid mid-range with plenty of texture and detail, providing an exceptional listening experience. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 7:34
The treble is nicely managed, blending well with the rest of the frequency range without any unpleasant characteristics. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 7:16
The bass is good, though slightly rolled off, not bad but less strong than some might prefer. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 6:53
The sound is realistic with better weight and presence in instruments and vocals compared to some competitors. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 10:40
The open back mod with reflectors is pretty similar to stock in bass and has a more vocal forward presence with decent treble. ▶ Testing YOUR HD6XX mods! Which is best? @ 1:45
Closed back version with reflectors is excellent from about 5600 Hz up. ▶ Testing YOUR HD6XX mods! Which is best? @ 2:50
Using Dacone Choice Leather pads increases bass under 200 Hz significantly, making the closed back mod sound more linear. ▶ Testing YOUR HD6XX mods! Which is best? @ 3:30
The Pud HD 666 mod measures close to stock tuning and has a lot of air space, which is beneficial for sound quality. ▶ Testing YOUR HD6XX mods! Which is best? @ 6:31
The HD 6XX series headphones need a lot of airspace to sound decent, which is addressed by these mods. ▶ Testing YOUR HD6XX mods! Which is best? @ 7:00

Comfort (39)

Fantastic comfort level and build quality with a projected long lifespan. ▶ Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! @ 2:14
The headband has a padding gap that helps relieve pressure on the head, making them more comfortable than some higher-end headphones. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 1:40
Comfortable padding, especially the interior padding that makes contact with the ear very comfortable, making it one of the most comfortable headphones owned aside from the HD 598s. ▶ Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! @ 1:30
They feel amazing and very comfortable with great cushioning around the head, providing a snug fit. ▶ Sennheiser HD 6xx *Fortnite* Sound Review! @ 4:47
The ear pads are comfortable with a good amount of depth and a rounded shape, providing comfort over long listening sessions. ▶ Massdrop Sennheiser HD6xx Review @ 6:23
They come with excellent padding including memory foam type material on the headband and soft velour ear pads, providing great comfort. ▶ Sennheiser HD 6XX 😍 My TOP Open-Backs @ 3:06
The headphones break in nicely and can be stretched for larger heads, improving comfort over time. ▶ Sennheiser HD 6XX 😍 My TOP Open-Backs @ 3:33
Velour earpads provide comfort for longer listening sessions. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 3:08
The Takoni nuggets are the perfect solution for hot spots and weight distribution, helping with weight comfort as well as heat. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 0:25
The Takoni nuggets are very soft, plush, and mimic sheepskin leather extremely well. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 0:58
The Takoni nuggets add a lot for comfort, heat distribution, and weight distribution. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 4:28
The Takoni nuggets provide an extra layer of comfort. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 5:01
The headband cushion is nice velour covered and very soft, improving comfort over other 500 series headphones. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 2:59
The pads are fairly standard but comfortable velour pads, decently deep and fairly comfortable overall. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 6:08
The headphones feel amazing with comfortable pads and cushions. ▶ Sennheiser HD6XX review @ 4:19
Incredibly light headphones, comfortable for long hours ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 1:58
Open back design provides breathability and comfort, reduces heat ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 3:07
Clamp pressure eases up over time, fits well without headaches ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 4:04
Large oval ear cups fit well without pinching or rubbing ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 4:16
Ear pads are soft velour material ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 4:47
Comfort rated 9/10 due to light weight and large ear pads ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 7:01
Very soft velour ear pads and comfortable headband cushioning. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 1:42
Lightweight and comfortable with near perfect clamping pressure. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 2:17
The HD6 series is one of the more comfortable headphones for normal-sized heads. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 8:46
The HD6 series has a great range of adjustment and fits large heads well. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 1:26
Extremely comfortable to wear, very light, making you forget you're wearing them after a few minutes. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 1:15
Headband has plenty of cushion and ear cups are made of velour, providing comfort. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 1:24
Clamping force is snug but becomes comfortable after breaking in. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 2:04
Pads are reasonably comfy and fairly stiff velour. ▶ 6XX - Not for me. @ 2:18
They are comfortable and break in nicely over time, making it easy to forget you're wearing them. ▶ The Headphones to Buy. Period. - HD6XX Review @ 4:50
Comfortable clamping force, not too tight even for large heads after stretching the metal band. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 12:39
Velour ear pads and cushioned headband provide good comfort and airflow. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 14:38
Good comfort compared to heavier headphones, not super tight or hot on the skull ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 6:54
Foam padding on top is comfortable and does not dig into your head even after long listening sessions. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 1:34
Ear cups are very comfortable. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 1:43
They are more comfortable than many dedicated gaming headphones, especially for those with a wide head. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 0:55
The headphones are very comfortable after a few days of use once the clamping force loosens up. ▶ Sennheiser x Massdrop HD6XX Review @ 4:18
The headphones are very comfortable for long sessions, with no need to take them off during gaming sessions. ▶ Sennheiser x Massdrop HD6XX Review @ 4:35
Comfortable clamping force, not uncomfortable but noticeable. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 2:04

Value for Money (39)

Good value headphone in terms of durability and usage over time. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 2:24
Nice packaging and collaboration with Massdrop and Sennheiser, offering a high-quality product at an incredible price of $199 compared to the original HD 650s which are $500 plus. ▶ Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! @ 0:33
Great value for money and a fantastic foundation for an evolving audio setup. ▶ Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! @ 3:46
The HD 6XX is considered one of the best value audiophile headphones for the past three years due to its accessible price point. ▶ Massdrop Sennheiser HD6xx Review @ 3:04
The buying experience from Drop's EU program is painless with no import duties or customs delays and faster delivery. ▶ Massdrop Sennheiser HD6xx Review @ 18:15
Affordable price point at $220 (with a $25 discount available) for a high-end listening experience. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 0:35
The 560s is a solid headphone and would be a class leader for its price point if the hd 6xx did not exist. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 14:18
It is the best 500 series headphone and an absolute step up over the hd 599. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 16:50
They are worth the $200 price, especially compared to the original HD 650s which cost about $400. ▶ Sennheiser HD6XX review @ 2:24
The headphones are amazing for bass sound, comfort, and price. ▶ Sennheiser HD6XX review @ 5:30
Half the price of HD 650s with almost the same specs and look ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 0:48
Excellent sound quality especially for the money ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 6:40
Open back dynamic driver headphone available around $250, offering excellent value for the price. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 0:38
Essentially a restyled and rebranded Sennheiser HD 650, providing similar high-quality sound at a lower price. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 3:23
One of the very best headphones available under $500, with a high performance-to-price ratio. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 5:08
Serves as a great benchmark for headphones in the $200-$300 price range. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 5:41
The HD6XX are a revamp of the highly regarded Sennheiser HD 650s with the same drivers and sound signature for a fraction of the price. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 0:33
Great value at $200, offering sound quality comparable to headphones costing 4-5 times more. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 6:29
Highly requested and popular headphones that sell out quickly, indicating strong demand and quality. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 8:43
The HD6 series is inexpensive compared to many other headphones that sound worse or are less comfortable. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 11:58
The HD6 series is still competitive and a great value today. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 12:15
The Sennheiser HD 6XX is a monumental classic and very loved headphone. ▶ Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featu @ 0:17
These headphones are going to change the game in terms of price to performance in the audiophile industry. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 0:12
They are a variation of the extremely popular Sennheiser HD650s, considered the Holy Grail in professional headphones. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 0:18
Massdrop is offering these headphones at an unbelievable price of $200, much lower than the usual $300-$500 range for HD650s. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 0:40
The Sennheiser HD 6XX is an unbelievable value. ▶ The Headphones to Buy. Period. - HD6XX Review @ 1:18
They are very similar to the HD 650s, which are highly regarded. ▶ The Headphones to Buy. Period. - HD6XX Review @ 0:40
These headphones are basically the same as the Sennheiser HD 650s, known for their tremendous quality. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 0:40
Overall, excellent value for $220 with longevity and serviceability. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 15:29
Excellent value at $220, offering similar quality to HD 650s and HD 660s but at less than half the price. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 2:40
Great entry point for those interested in open back headphones. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 3:31
They offer great value as they are basically the same as the $400 Sennheiser HD 650s but cost around $200. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 9:53
HD 6xx is the cheapest HD 600 series headphone ever, making it incredibly popular and a well-known audiophile grade headphone. ▶ Trying Every HD "6" Series Headphone! 26 Years! @ 3:03
HD 6xx offers the best value in the HD 600 series, often available for around $180 on sale, which is a bargain. ▶ Trying Every HD "6" Series Headphone! 26 Years! @ 5:08
All headphones in the HD 600 series, including the 6xx, are still available, giving buyers options. ▶ Trying Every HD "6" Series Headphone! 26 Years! @ 9:06
Legendary headphones, a reissue of the HD 650, known for starting the accessible audiophile headphone movement. ▶ Is This The Best Headphone Deal Ever? @ 0:11
Far better price point at $200 compared to the original $400-$500 range. ▶ Is This The Best Headphone Deal Ever? @ 1:05
The 6xx competes easily with much more expensive headphones and marries the best qualities of the HD600 and HD650. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 6:08
Recommended as a great starting headphone for audiophiles and suitable for long-term use. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 13:20

Build Quality (32)

The headphones feel sturdy despite being made of plastic and have good longevity and quality. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 1:20
The provided proprietary cable is fine and of good quality, though upgrading is optional. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 2:48
Removable individual left and right connectors, similar to the original HD 650s. ▶ Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! @ 2:38
The headphones have a nice, premium look and feel with tasteful branding and a solid build quality. ▶ Sennheiser HD 6xx *Fortnite* Sound Review! @ 2:47
The build and comfort are fantastic, with a tough plastic construction and easy replaceability of parts for long-term durability. ▶ Massdrop Sennheiser HD6xx Review @ 8:28
The headphones have a premium and durable build quality with a mostly plastic but well-built design and a unique midnight blue color. ▶ Sennheiser HD 6XX 😍 My TOP Open-Backs @ 2:10
There are many replacement and upgrade options available for pads and cables, allowing customization. ▶ Sennheiser HD 6XX 😍 My TOP Open-Backs @ 3:50
The headphones are extremely light with a flexible all-plastic build and interchangeable parts for easy repairs or customization. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 2:28
The Takoni nuggets are very solid for the price and work very well. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 1:09
The Takoni balanced cable is designed specifically for the HD6XX and is a really solid pair of headphones. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 2:20
The Takoni cable is relatively good for the price and helps reject audio interference. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 3:15
The cable is a huge upgrade compared to the stock cable, built extremely well with quality on par with the price. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 4:09
Both the Takoni balanced cable and nuggets are very well done and highly recommended. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 4:48
The balanced cable is an incredible upgrade from the stock cable. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 4:58
Sennheiser quality control is fairly sterling especially compared to other brands. ▶ Sennheiser HD560S Review: Which Mid-Range Senn is Right for @ 8:18
Cable feels very solid, nice and pliable but sturdy and thick ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 1:22
Metal inside headband and adjustment mechanisms are sturdy ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 2:10
Very clicky and sturdy adjustment mechanism, stays in place ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 2:15
Build quality is good for the price, plastic keeps cost down ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 3:37
Features 40 mm dynamic neodymium drivers with an open grill design. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 1:31
Breakaway cable design allows cables to be replaced if ripped, protecting the headphones. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 1:56
Despite plastic design, the build feels sturdy and not cheap. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 2:54
Build quality is very good with aluminum sliders and flexible design. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 1:47
Overall solid headphones with excellent quality. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 3:22
Build feels pretty sturdy and well made, though plastic. ▶ 6XX - Not for me. @ 1:50
Stock cable is perfectly usable and nothing wrong with it. ▶ 6XX - Not for me. @ 2:51
The included cables are replaceable, allowing for customization. ▶ The Headphones to Buy. Period. - HD6XX Review @ 3:56
Replaceable cables allow for easy repair or upgrade. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 16:03
High quality plastic construction keeps the weight down and feels premium. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 1:29
Fully made by Sennheiser with full quality, only difference being a slightly less premium box. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 3:23
The headphones are made of plastic which makes them lightweight and comfortable to wear for long periods. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 0:40
Detachable cables for convenience. ▶ Is This The Best Headphone Deal Ever? @ 2:58

Design (14)

Open-back design suitable for home use and paired well with an amplifier due to 300 ohms impedance. ▶ Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! @ 2:51
The packaging is immaculate and well done, one of the best the reviewer has seen. ▶ Sennheiser HD 6xx *Fortnite* Sound Review! @ 4:04
The adjustable click mechanism on both sides with left/right indicators is a nice feature. ▶ Sennheiser HD 6xx *Fortnite* Sound Review! @ 4:23
The headband adjusters have a stiff and positive engagement, preventing accidental adjustments. ▶ Massdrop Sennheiser HD6xx Review @ 4:38
Open back design with large ear cups and visible large drivers, enhancing sound quality and aesthetics. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 3:26
The Takoni cable has nice metal accents and color indicators for right and left channels. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 3:05
They come in a nice midnight blue color that is subtle and not flashy. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 1:21
Minimal driver rotation on the yolk for better fit, with about 90 degrees of movement. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 2:34
The HD6 series has a solid industrial design, comfort, weight, durability, and user serviceability. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 11:44
Ear cups pivot and rotate slightly for a perfect fit. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 1:55
The box presentation is really nice, providing a good unboxing experience. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 0:26
Nice packaging with a Sennheiser box. ▶ Is This The Best Headphone Deal Ever? @ 1:20
Deep blue color and large ear cups that fully encompass the ear for comfort. ▶ Is This The Best Headphone Deal Ever? @ 1:27
Lightweight design, made in Ireland, adjustable headband. ▶ Is This The Best Headphone Deal Ever? @ 2:04

Connectivity (13)

The cable is soft, flexible, and terminates in a 3.5mm connector with a push-on 1/4 inch adapter. ▶ Massdrop Sennheiser HD6xx Review @ 8:03
The Takoni cable is compatible with multiple Sennheiser models including HD 580, HD 600, HD 650, HD58X, HD6XX, and HD660S. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 3:44
The headphone has a locking 2.5mm cable standard, consistent with other 500 series headphones. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 3:31
Plenty of aftermarket balanced cable options available ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 1:26
Includes both 3.5 mm headphone jack and 1/4 inch plug for higher-end gear. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 1:47
Cable length reduced from 10 ft to 6 ft for better manageability. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 0:55
Changed the 1/4 inch jack to 1/8 inch for compatibility with phones and laptops, with an adapter included for audiophiles. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 1:00
The HD 6XX features a shorter cord with a 3.5 mm jack and includes an adapter to quarter inch. ▶ The Headphones to Buy. Period. - HD6XX Review @ 1:52
Six-foot cable length is a good balance, not too long or short, and doesn't tangle easily. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 5:35
Cable has a standard eighth inch jack with a quality adapter, providing good connectivity. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 7:42
Shorter 6-foot cable compared to the original 10-foot cable, better for on-the-go use. ▶ Is This The Best Headphone Deal Ever? @ 2:24
Native 3.5mm mini-jack termination for direct phone connection, replacing the 6.3mm jack. ▶ Is This The Best Headphone Deal Ever? @ 2:38
Can be used directly with a phone, though performance varies with device amplifier power. ▶ Is This The Best Headphone Deal Ever? @ 4:01

Durability (7)

The velour pads have stood up well to years of use, indicating good durability. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 2:18
The headphone is very durable and parts can be replaced easily without tools, making it one of the best-built headphones. ▶ Massdrop Sennheiser HD6xx Review @ 7:46
The headphone is well known for lasting many years without breaking. ▶ Massdrop Sennheiser HD6xx Review @ 8:35
No issues in longevity and durability despite plastic build ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 1:44
Wired headphones last a long time and don't have battery or Bluetooth obsolescence issues. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 10:50
Sennheiser headphones are durable and can last 20 years or more. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 11:27
Durable build and amazing sound of the HD 600, which has remained accurate and neutral for 26 years. ▶ Trying Every HD "6" Series Headphone! 26 Years! @ 0:38

Overall (2)

Overall, the reviewer considers these some of the best headphones they've ever worn and plans to keep using them. ▶ Sennheiser HD 6xx *Fortnite* Sound Review! @ 13:27
The headphones are highly recommended for their sound signature, comfort, build quality, and upgrade options. ▶ Sennheiser HD 6XX 😍 My TOP Open-Backs @ 8:57

Microphone Quality (1)

Removes the need to have feedback on and makes both audio recording and voice calls much easier. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 1:00

Cons (133)

Sound Quality (57)

The headphone has a somewhat intimate soundstage that is not very wide, and imaging is not very precise, making it less suitable for competitive gaming. ▶ Massdrop Sennheiser HD6xx Review @ 9:39
The bass is not very present and may need a boost to meet modern Harman target preferences, but the headphone does not EQ well. ▶ Massdrop Sennheiser HD6xx Review @ 13:29
Without a decent headphone amp, the bass can sound anemic; they are not easily driven by phones alone. ▶ Massdrop Sennheiser HD6xx Review @ 13:54
The treble is restrained and can be perceived as veiled or dark by some, though this is subjective and depends on comparison standards. ▶ Massdrop Sennheiser HD6xx Review @ 14:42
The headphones have a 300 ohm impedance, requiring a more powerful amp and DAC to get the most out of them. ▶ Sennheiser HD 6XX 😍 My TOP Open-Backs @ 1:49
The bass lacks sub-bass rumble and is not suitable for those who prefer heavy bass or boominess. ▶ Sennheiser HD 6XX 😍 My TOP Open-Backs @ 6:28
Due to the 300 ohm impedance, the headphones require a DAC or amplifier to reach their full potential, which adds to the overall cost and complexity. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 4:11
The headphone lacks a bit of air above 10 kHz in the treble region, making it slightly less airy. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 8:34
Compared to the hd 6xx, the 560s is less detailed and less resolving across the frequency range, with less textured and more muddy bass. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 10:38
The 560s has a slightly metallic timbre and sounds like a typical 500 series headphone, lacking the natural timbre of the 6xx. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 13:48
The soundstage is only slightly wider than the 6xx but still barely average and not particularly impressive. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 12:25
The imaging is less precise and more vague compared to the 6xx, which has better layering and micro detail. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 12:49
The dynamics are slightly overdamped compared to the 6xx, which affects punchiness and bass texture. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 13:20
These headphones require an amp to run properly, unlike previous headphones that could be powered by phone or computer. ▶ Sennheiser HD6XX review @ 0:23
If volume is too high, you can hear clicking noises which means you might be damaging the headphones. ▶ Sennheiser HD6XX review @ 3:54
The 6xx has a more restricted sound stage compared to other models. ▶ Sennheiser HD560S Review: Which Mid-Range Senn is Right for @ 9:03
The overall mix of the 6xx may feel veiled or dark to some listeners. ▶ Sennheiser HD560S Review: Which Mid-Range Senn is Right for @ 9:00
The 6xx can be grainier at high volumes than the hd58x. ▶ Sennheiser HD560S Review: Which Mid-Range Senn is Right for @ 7:36
Sound stage is not particularly wide or tall ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 5:51
Bass is not very strong, rated 6/10 ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 6:54
300 ohm impedance can be challenging for budget solid-state amplifiers, leading to anemic bass and less extended treble. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 8:11
Does not scale infinitely; won't reach the performance level of very high-end headphones like the Susvara. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 11:50
The HD6 series can be boring and not exciting for some listeners due to its neutral tuning. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 0:47
The HD600 has issues with treble response, particularly the 600 model. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 1:17
The HD6 series has very little soundstage, described as having no out-of-head or distance effect. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 1:38
The HD6 series lacks bass, with early roll-off and almost no sub-bass. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 2:14
The HD6 series is not the most engaging or fun headphone for some listeners. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 2:04
The HD 6XX has a narrow sense of stage without the ODMA amplifier and Elisa circuit. ▶ Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featu @ 11:20
The HD 6XX can sound soft, smearish, and plasticky in the leading edge of notes without the ODMA amplifier. ▶ Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featu @ 13:20
Bass can be a little muddy and bloated. ▶ 6XX - Not for me. @ 3:37
Upper frequency response is sharp, gritty, and grating on some amps. ▶ 6XX - Not for me. @ 4:02
Sennheiser veil is present, making sound less clear and less spacious. ▶ 6XX - Not for me. @ 5:22
Small soundstage and veil make it feel like missing details and always aware of listening to headphones. ▶ 6XX - Not for me. @ 5:55
Upper frequencies grate after a while and overall does not amaze or stand out. ▶ 6XX - Not for me. @ 6:43
Requires specific amp or tube pairings to sound better, but not worth searching for them. ▶ 6XX - Not for me. @ 7:17
They are not accurate in the same sense as a studio monitor; frequency response is not totally flat by design. ▶ The Headphones to Buy. Period. - HD6XX Review @ 3:17
High impedance (300 ohms) means you likely need a headphone amp or higher volume to drive them properly. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 4:00
Noticeable sub-bass roll-off, not great for hip hop, J-pop, K-pop, EDM due to less impactful bass ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 0:39
Bass texture and impact are average, linear and tamed bass shelf ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 0:41
Treble is more in the background, not forward or sharp, less resolving and detailed ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 0:57
Imaging and resolution are fine but not as sharp or detailed as some competitors ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 1:05
Vocals are less intense, less clear, softer attack, and upper mids and treble are less resolving compared to some IEMs ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 2:26
Less powerful and less resolving than some higher-end models like the RS5 ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 2:53
Not as resolving or detailed as many IEMs in the same price range ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 4:31
Sub-bass roll-off and less resolving treble limit overall technical performance ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 7:18
The sound signature is initially flat and conservative, lacking the bass-heavy punch of typical commercial headphones, which can be off-putting at first. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 4:54
HD 6xx has a slightly darker sound signature which some legacy HD 650 owners find a bit muddy. ▶ Trying Every HD "6" Series Headphone! 26 Years! @ 4:24
HD 6xx has the least vocal focus among the 600, 650, and 6xx, which might not appeal to those wanting more vocal presence. ▶ Trying Every HD "6" Series Headphone! 26 Years! @ 4:55
They are not perfectly neutral sounding headphones, though they are neutral enough for detailed listening. ▶ Sennheiser x Massdrop HD6XX Review @ 5:52
The bass is slightly lacking and rolled off, which may not satisfy bass enthusiasts. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 6:53
The soundstage is fairly small and intimate, which may disappoint those who prefer a large soundstage. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 7:54
The open back mod causes a bit more shoutiness due to elevation between 2 and 3 kHz. ▶ Testing YOUR HD6XX mods! Which is best? @ 1:52
Closed back mod with reflectors has a strong dip around 270 to 300 Hz and bass plummets below that, which is hard to fix. ▶ Testing YOUR HD6XX mods! Which is best? @ 3:00
Leather pads on closed back mod cause unevenness in treble and too much bass under 200 Hz. ▶ Testing YOUR HD6XX mods! Which is best? @ 3:39
The smaller closed back mod by Zap Zapador has poor bass response due to lack of air space and does weird things in the bass region. ▶ Testing YOUR HD6XX mods! Which is best? @ 4:52
Leather pads on the Zap Zapador mod made the sound notably worse. ▶ Testing YOUR HD6XX mods! Which is best? @ 5:18
The Pud HD 666 mod is a bit anemic in bass compared to stock and leather pads boost lows too much and mess up treble. ▶ Testing YOUR HD6XX mods! Which is best? @ 6:32

Comfort (19)

The clamping force is quite high out of the box and may cause pressure around the jawline until loosened. ▶ Massdrop Sennheiser HD6xx Review @ 4:53
The clamping force is medium to high, which may be tight for people with larger heads initially. ▶ Sennheiser HD 6XX 😍 My TOP Open-Backs @ 3:21
The clamp force is tight out of the box, which can be uncomfortable initially but loosens over time. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 2:48
Velour earpads, while comfortable, may not be preferred by all; some might prefer pleather or softer materials and would like an option to switch out earpads. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 3:08
The headphone has a surprisingly clampy fit and the headband is not very adjustable due to lack of metal, making it harder to fix clamp issues. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 5:45
Ear pads can be a little scratchy on sideburns depending on hairstyle ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 4:51
The clamp force is strong and can be uncomfortable, especially for people with large heads. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 2:57
The clamp force improves after bending the metal arms but remains an issue for some. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 3:12
The top of head comfort can be an issue for some users, especially those with smaller heads. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 9:05
Ear cups made of velour can warm up ears, which might be uncomfortable in summer. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 1:28
Clamping force is initially tight and does not stretch out too far. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 2:04
Pads are a bit tight and ears touch the inside, which is bothersome. ▶ 6XX - Not for me. @ 2:33
Clamping pressure out of the box might be a little tighter than some would like. ▶ The Headphones to Buy. Period. - HD6XX Review @ 4:50
The ear cup foam isn't the softest, not memory foam quality. ▶ The Headphones to Buy. Period. - HD6XX Review @ 4:54
Initially, the clamping force was too tight and uncomfortable until the metal band was stretched out. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 13:23
Not as convenient or comfortable as IEMs for portability, wearing with hats, or lying down ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 6:03
Some people complain about the clamping force, although the reviewer with a wide head found them comfortable. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 0:55
The headphones have a strong clamping force right out of the box which can be uncomfortable especially for people with big heads. ▶ Sennheiser x Massdrop HD6XX Review @ 4:23
The clamping force is a little tight for some people, noticeable even after long use. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 2:04

Noise Isolation (12)

Open-back design leaks sound, making private listening difficult unless in a private room. ▶ Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! @ 2:53
Noise leak is a big issue due to open back design ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 3:29
Open back design means sound leaks out and people around you can hear your music, not ideal for public or noisy environments. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 5:37
Open-back design means no noise isolation and significant sound leakage, not suitable for noisy or quiet public places. ▶ The Best Headphones for $200 - Massdrop x Sennheiser HD6XX @ 2:20
The open-back design allows ambient noise to be disruptive and leaks sound to the environment. ▶ The Headphones to Buy. Period. - HD6XX Review @ 5:17
Open-back design means you can hear everything around you, which may not be ideal in noisy environments. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 1:57
Open back design causes sound leakage, making it unsuitable for public use ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 5:34
Sound leaks out, which can bother others in public ▶ SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) @ 6:26
Open back design means you can hear external noises like people talking or booming music, which some may not like. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 0:48
Being open back, they have no noise isolation, so loud environments can pollute the audio experience. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 2:11
People around you can hear what you're listening to, which can be a problem if others are trying to sleep. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 2:37
The open-back design lets sound in and out, meaning you can hear everything around you and others can hear what you're listening to, making them more suitable for home use. ▶ Sennheiser x Massdrop HD6XX Review @ 5:04

Value for Money (11)

The shipping took a long time (about 10-12 days) and was frustrating for the reviewer. ▶ Sennheiser HD 6xx *Fortnite* Sound Review! @ 13:45
There was no tracking update for several days during shipping, causing uncertainty about delivery status. ▶ Sennheiser HD 6xx *Fortnite* Sound Review! @ 14:00
Import tax for UK buyers was unexpectedly high (44 pounds), adding to the overall cost. ▶ Sennheiser HD 6xx *Fortnite* Sound Review! @ 14:14
The HD 6XX is often mistakenly claimed to be identical to the HD 650, which is incorrect and misleading. ▶ 💡Before YOU Buy An HD6XX, WATCH THIS!! @ 1:13
There is a lot of misinformation and deception in the headphone hobby, including about the HD 6XX's sound profile. ▶ 💡Before YOU Buy An HD6XX, WATCH THIS!! @ 3:39
The Takoni cable is not cheap, coming in at around 120 dollars. ▶ Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Re @ 3:18
Overall, the 560s is not a 6xx killer and is a harder sell in the US market where the 6xx is similarly priced and technically superior. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 14:18
Shipping is slow and can take around 3 months due to the Massdrop way of selling. ▶ Sennheiser HD6XX review @ 2:04
The reviewer is not confident in using the DAC properly and just uses the amp for powering the headphones. ▶ Sennheiser HD6XX review @ 1:13
Price has been creeping up recently, sometimes reaching as high as $260. ▶ What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - E @ 2:46
Slightly confusing buying process with Massdrop, including a wait time that changed unexpectedly. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 2:45

Design (10)

Not suitable for outdoor or running use compared to HD 598s which provide awareness of surroundings. ▶ Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! @ 3:09
The packaging box is a tight fit and difficult to open one-handed, requiring two hands. ▶ Sennheiser HD 6xx *Fortnite* Sound Review! @ 3:23
The ear cups have limited rotation and lateral movement, and the headphone is not foldable for portability. ▶ Massdrop Sennheiser HD6xx Review @ 6:05
The headphones have cables on both sides, which some users may find inconvenient compared to single-sided cables. ▶ An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones @ 6:54
Portability is poor, no folding or twisting, wired only ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 7:08
Design is fairly dated and not very stylish ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 7:24
The plastic color scheme feels a little cheap. ▶ The Headphones to Buy. Period. - HD6XX Review @ 2:08
The packaging is cheaper black and white compared to previous editions. ▶ The Headphones to Buy. Period. - HD6XX Review @ 2:22
They are not a fashion statement and look outdated compared to modern headphones. ▶ The Headphones to Buy. Period. - HD6XX Review @ 4:26
Cable plugs into both sides of the headphones, which is a bit annoying compared to single-side cables. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 5:44

Build Quality (10)

The cable uses a push-on 1/4 inch adapter rather than a preferred screw-on type. ▶ Massdrop Sennheiser HD6xx Review @ 8:14
The build quality feels really cheap with low-end plastic and sharp molding edges, not impressive for a $200 headphone. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 2:08
The included cable is thin, spaghetti-like, and generally poor quality; it is recommended to replace it. ▶ Sennheiser HD560S Review | HD6XX Killer? @ 4:15
Feels very cheap out of the box due to lots of plastic ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 1:33
Headphone adjustment band is initially hard to adjust due to metal-on-plastic friction, requiring a break-in period before it becomes easier. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 7:20
Does not feel premium, creaks and has typical plastic headphone issues. ▶ 6XX - Not for me. @ 2:05
Cord is technically removable but clips are hard to pull in and out. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 1:54
Cord is not braided and is attached on both sides, which is not ideal but manageable. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 1:58
The plastic build causes the headphones to squeak and rattle a little bit. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 0:41
The proprietary two-pin cable design limits cable upgrade options to specific cables designed for the HD6 series. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 2:30

Connectivity (9)

Performance when plugged directly into a phone varies depending on the phone's amplifier power; may require an external amplifier for optimal sound. ▶ Is This The Best Headphone Deal Ever? @ 4:13
Cable length reduced to 6 ft from the original 10 ft, which might be limiting for some users. ▶ Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! @ 2:41
Cable is not balanced by default ▶ Drop x Sennheiser HD6xx Review. Still the best open-back hea @ 1:26
The included headphone cable is shorter than advertised (4.5 feet instead of 6 feet), which can limit movement especially on large desks. ▶ Best $200 Headphones? Sennheiser & Massdrop HD6XX Review @ 6:46
Only one cable included (six-foot), no shorter or longer options. ▶ Sennheiser HD6XX In Depth Review. Is it Worth it? @ 6:39
They have a high impedance (300 ohms), so you need an amplifier to get sufficient volume and sound quality. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 3:00
The headphones have a high impedance of 300 ohms, so to get the best sound you need a good DAC and headphone amplifier. ▶ Sennheiser x Massdrop HD6XX Review @ 5:33
Original HD 650 had a longer cable which was better for home use; the shorter cable may limit home use flexibility. ▶ Is This The Best Headphone Deal Ever? @ 2:24
They require an amplifier with sufficient voltage swing (about six volts), so some portable devices may not drive them well. ▶ Massdrop X Sennheiser HD6XX Headphone Review - Is it still a @ 4:08

Durability (4)

The ear pads and headband material will wear down over a couple of years and require replacement. ▶ Massdrop Sennheiser HD6xx Review @ 7:00
These headphones can overheat after about an hour of use in hot and humid conditions. ▶ Sennheiser HD6XX review @ 4:28
The headphone pads wear out and need frequent replacement to maintain sound signature, which can be expensive. ▶ Why You SHOULDN'T Buy HD 600... & What To Get Instead @ 2:30
Ear cups pick up tiny dirt and fluff easily, making them look dusty quickly. ▶ You WONT Believe How Good These Sound! - HD6XX Headphone REV @ 1:43

Microphone Quality (1)

There is no built-in microphone, which is a downside for gaming; a mod mic can be added but requires extra cost and DIY effort. ▶ SENNHEISER HD 6XX REVIEW!!! Gaming/music @ 7:45

Review sources

Drop x Sennheiser HD6xx Review. Still the best open-back headphones in 2021? 19 pros, 8 cons
Massdrop Sennheiser HD6xx Review by Wheezy Tech — 14 pros, 8 cons
SENNHEISER HD6XX 8 YEAR REVIEW (Still Good in 2024?) 10 pros, 11 cons
Massdrop X Sennheiser HD6XX Headphone Review - Is it still a winner? by Passion for Sound — 15 pros, 5 cons
Best $200 Headphones? Sennheiser & Massdrop HD6XX Review by randomfrankp — 17 pros, 3 cons
Sennheiser HD560S Review | HD6XX Killer? by Max Settings — 9 pros, 10 cons
Why You SHOULDN'T Buy HD 600... & What To Get Instead by The Headphone Show — 9 pros, 9 cons
The Best Headphones for $200 - Massdrop x Sennheiser HD6XX by TechSource — 15 pros, 3 cons
The Headphones to Buy. Period. - HD6XX Review by Linus Tech Tips — 10 pros, 7 cons
Sennheiser HD6XX In Depth Review. Is it Worth it? 12 pros, 5 cons
You WONT Believe How Good These Sound! - HD6XX Headphone REVIEW by ShouldIBuy — 11 pros, 5 cons
SENNHEISER HD 6XX REVIEW!!! Gaming/music by Bushwhack 18 — 9 pros, 7 cons
Is This The Best Headphone Deal Ever? by Unbox Therapy — 13 pros, 2 cons
Dekoni Audio Sennheiser HD 6XX Balanced Cable and Nuggets Review! by Luis Awesomest — 14 pros, 1 cons
What Gear Is My Gear Part 8: Massdrop + Sennheiser HD6XX - Everyone Should Have One by Reviews By WaveTheory — 12 pros, 3 cons
6XX - Not for me. by MrAyrit — 7 pros, 8 cons
An Absolute Steal! : Massdrop X Sennheiser HD 6XX Headphones by Gamesky — 10 pros, 4 cons
Sennheiser & Massdrop HD 6XX ... Epic $199 Headphones! by Hardware Canucks — 10 pros, 3 cons
Sennheiser HD 6xx *Fortnite* Sound Review! 9 pros, 4 cons
Sennheiser HD 6XX 😍 My TOP Open-Backs by EL JEFE REVIEWS — 10 pros, 3 cons
Why I am re-purchasing a Massdrop x Sennheiser HD 6XX: Featuring the Audma Maestro HPA1 by Amplify Audio Reviews — 11 pros, 2 cons
Sennheiser x Massdrop HD6XX Review 9 pros, 4 cons
Sennheiser HD6XX review by Headphone Reviews — 6 pros, 5 cons
Trying Every HD "6" Series Headphone! 26 Years! by Joshua Valour — 9 pros, 2 cons
Testing YOUR HD6XX mods! Which is best? by DMS — 5 pros, 6 cons
💡Before YOU Buy An HD6XX, WATCH THIS!! by Home Studio Basics — 5 pros, 2 cons
Sennheiser HD560S Review: Which Mid-Range Senn is Right for YOU? by BadSeed Tech — 3 pros, 3 cons

Frequently asked questions

Is the Sennheiser HD 6XX worth buying?

Based on 27 independent YouTube reviews, the Sennheiser HD 6XX scores 3.7/5 with 283 positive and 133 negative points mentioned by reviewers, placing it #35 in the Wired Earbuds category.

What do reviewers like most about the Sennheiser HD 6XX?

The most praised aspects are sound quality, comfort, value for money — Sound Quality (136 mentions), Comfort (39 mentions), Value for Money (39 mentions).

What are the most common complaints about the Sennheiser HD 6XX?

Reviewers most frequently criticize sound quality, comfort — Sound Quality (57 mentions), Comfort (19 mentions).

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