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Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone

Beyerdynamic 459038 DT 990 PRO open Studio Headphone

Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
Beyerdynamic 459038 DT 990 PRO open Studio Headphone
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Features

  • Open over-ear headphones, ideal for professional mixing, mastering and editing
  • Perfect for studio applications thanks to their transparent, spacious, strong bass and treble sound
  • The soft, circumaural and replaceable velour ear pads ensure high wearing comfort
  • Hard-wearing, durable and robust workmanship - Made in Germany
  • Practical single-sided cable (3.0m coiled cable)

Description

The DT 990 PRO (250 ohms) is an open dynamic headphone that is ideal for professional use in studios. Headphone frequency response - 5 - 35.000 Hz


Product Dimensions 8.7 x 4.7 x 9.1 inches


Item Weight 8.8 ounces


ASIN B0011UB9CQ


Item model number 459038


Customer Reviews 4.7 out of 5 stars 5,360 ratings 4.7 out of 5 stars


Best Sellers Rank #158 in Over-Ear Headphones


Is Discontinued By Manufacturer No


Date First Available July 19, 2004


Manufacturer beyerdynamic


Shipping

This product includes free shipping to all US addresses.


Delivery

Unless otherwise stated above, most products arrive within 2-3 business days. Larger items may take 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Features

  • Open over-ear headphones, ideal for professional mixing, mastering and editing
  • Perfect for studio applications thanks to their transparent, spacious, strong bass and treble sound
  • The soft, circumaural and replaceable velour ear pads ensure high wearing comfort
  • Hard-wearing, durable and robust workmanship - Made in Germany
  • Practical single-sided cable (3.0m coiled cable)

Description

The DT 990 PRO (250 ohms) is an open dynamic headphone that is ideal for professional use in studios. Headphone frequency response - 5 - 35.000 Hz


Product Dimensions 8.7 x 4.7 x 9.1 inches


Item Weight 8.8 ounces


ASIN B0011UB9CQ


Item model number 459038


Customer Reviews 4.7 out of 5 stars 5,360 ratings 4.7 out of 5 stars


Best Sellers Rank #158 in Over-Ear Headphones


Is Discontinued By Manufacturer No


Date First Available July 19, 2004


Manufacturer beyerdynamic


Shipping

This product includes free shipping to all US addresses.


Delivery

Unless otherwise stated above, most products arrive within 2-3 business days. Larger items may take 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Features

  • Open over-ear headphones, ideal for professional mixing, mastering and editing
  • Perfect for studio applications thanks to their transparent, spacious, strong bass and treble sound
  • The soft, circumaural and replaceable velour ear pads ensure high wearing comfort
  • Hard-wearing, durable and robust workmanship - Made in Germany
  • Practical single-sided cable (3.0m coiled cable)

Description

The DT 990 PRO (250 ohms) is an open dynamic headphone that is ideal for professional use in studios. Headphone frequency response - 5 - 35.000 Hz


Product Dimensions 8.7 x 4.7 x 9.1 inches


Item Weight 8.8 ounces


ASIN B0011UB9CQ


Item model number 459038


Customer Reviews 4.7 out of 5 stars 5,360 ratings 4.7 out of 5 stars


Best Sellers Rank #158 in Over-Ear Headphones


Is Discontinued By Manufacturer No


Date First Available July 19, 2004


Manufacturer beyerdynamic


abunda_amazon_reviews I currently own this (DT-990-Pro-250 Ohm), Sennheiser HD598, and AKG K702. By comparison, this headphone has V-shaped frequency (pitch) response, which means that lows and highs are more enhanced than mids. The resolution of this headphone is very good; I would say on par with Sennheiser HD598, but little bit less analytical than AKG K702. For users who never used $100+ headphones will be really amazed. And it is really comfortable (I have a bigger head than most people). However, there are two things I want to mention that I do not like: cable and highs. For cable, it is hard wired to the body itself, so you cannot simply swap 3.5mm cable when the original cable is broken. Second, the highs, it can really cause fatigue in your ear (around 10kHz, there is a Huge peak in relative frequency response) it is Piercing high. Some people may like it because boost at 10kHz gives clear and accurate sounding highs without distorting music too much. But people like me, who is more used to Sennheiser's famous signature sound, may feel too piercing to ears. Conclusion: Everything is near-perfect except for hard wired cables and piercing highs (depend on your taste whether it is pro or con) potentially causing ear fatigue relatively fast. If you want analytical sound, avoid this headphone. If you want laid back sound, avoid this headphone. If you want clear, beautifully piercing highs and decent lows, Get this headphone! Overall, I would rate this 5. Some people may say: I can always EQ stuff out. But for me, I buy different headphones because I want to listen to their original, signature sound. I like it.;;Reviewed in the United States on July 15, 2016;;5.0 out of 5 stars;;Not for Everyone. Please read carefully.;;Minghong Li;;;I’m by no means an audiophile, but I do care about all forms of digital consumption enough to make an investment in a good pair of headphones. I usually categorize my headphones based on needs and wants. For example, I use Sony Hear Ons as “lifestyle” headphones because of the Bluetooth capabilities and its portability. I also have the AKG K553’s as my “reference” headphones for editing. My goals for my next pair is something I could use with my desk setup for studio use as my daily headphone. After reading a plethora of head-fi posts and watching multiple YouTube reviews, my search led to the Beyerdynamic DT990 pros and to this day I can’t get enough of them. At first glance, you wouldn’t expect it to be a premium headphone due to the fact that it’s made almost entirely out of plastic except for the headband and the arms connecting it to the ear cups. The headband is wrapped with a soft layer of fake leather, which can attach and detach with a few clasp buttons. Don’t let the nearly plastic design fool you because it’s pretty high-quality polymer plastic and the build itself is solid. In most cases, it’s actually a good thing because it makes for a lighter headphone, perfect for long uses. The adjustments aren’t as smooth as an all-metal design, but it works fine and can extend to fit almost any head. The cable is coiled and runs around 3 meters ending in a gold-plated 3.5 mm jack. It also comes with a screw on 1/4 inch adapter, which is also gold-plated. Beyerdynamic is known for their velour ear pads and they’re probably the best part aside from the sound. It has a plush and smooth feeling unlike any other. The clamping force is somewhat tight, but I got used to it pretty fast. Some people might be concerned about the whole velour vs pleather thing and based on the performance and comfort I wouldn’t worry about that. Just to clarify, velour is known to be more open with less isolation compared to pleather. It’s also known to be harder to keep clean (can get dusty) simply due to the nature of the material itself. In terms of sound, I actually prefer the more open soundstage, which makes sense since it’s already an open-backed design. If you’re worried about cleanliness just make sure you wipe it often and try not to use it if you’re super sweaty from the gym or anything like that. Judgement on looks is subjective, but the comfort is out of the question. Given the light-weight form factor and velour pads, I found the DT 990 pros to be cloud-like even after hours of usage. Now for the good part, the sound quality. As previously stated, I’m no audiophile, but I have to say that these headphones are no joke. I’m pretty basic so I listen to most mainstream music (EDM, Hip-Hop, Chillstep, etc.) on Spotify, I watch plenty of YouTube, and I also watch a bunch of TV shows and movies on Netflix on my MacBook Pro. I also use these when I game on my PS4 Pro. With these factors for reference, I found these headphones to be my best audio investment yet. The bass is definitely prominent especially for an open back design without being too overpowering. It’s actually the biggest factor as to why I decided on buying these because I was looking for an open back headphone with good bass, which led me to the DT 990’s in the first place because they’re known to be great with both features. Between the Pros and the Premiums, a bit of research led me to conclude that the Pros had slightly more bass, which I prefer. The mids have a lot of detail but don’t shine as much. The highs are incredibly clear but can get a bit too bright for my taste. Sometimes it’ll result in a slight ear piercing sensation depending on what I’m listening too, but your mileage may vary. The soundstage is wide and gives a great representation of spatial cues resulting in an accurate listening experience. The 250 Ohm model is the sweet spot out of the three, but make sure you have a good amp to power them. Personally, I use the Behringer AMP800 Four Channel Headphone Amp and it works great. I tried connecting it to my iPhone for comparison and it’s still listenable, but you’ll have to max out the volume. I’ve had my DT 990’s for over two years now and it definitely stands the test of time. Unless you have a bunch of money to spend on something like a pair of Sennheiser HD800’s, there’s really no need to look any further when presented with great value. The price is just right even for the average consumer and offers professional grade quality. Having crystal clear audio isn’t hard to get, but when making an investment it’s important to read the fine print and research all the opinions. With the DT 990’s I can truly enjoy all digital content and I’m confident that you will too.;;Reviewed in the United States on December 12, 2017;;5.0 out of 5 stars;;Professional grade quality at a competitive price;;HandsON;;;EDIT: After a comment by another user I looked at my review and found that perhaps there were some points of seeming ambiguity that I had not intended. So, I made a second pass to clear up my stance on a few things. While I do not consider myself an audiophile I do like a good pair of headphones. The DT990 250ohm is a very nice set. I currently own Senns. HD558's, AT-M50's, AKG Q701's, and the DT990 Pros'. I also own an Objective 2 Amp. As an aside If you want/need an affordable headphone amp I highly recommend the O2 and JDS is an excellent supplier. The price at JDS has also dropped a bit over time and at present it's a steal at about $130. I can't recommend it highly enough. I have never tried it, though I plan to, but the Magni 2 by Schiit by all accounts is another very solid budget performer. NOTICE: I have a particular character flaw. If I go to spend more than $100 on a luxury item I obsess over it for an unnatural amount of time. I read every review at every site twice. I dwell on it for weeks on end. Then I try one out, return it and try something else. It's borderline to being a named disease. The point is I only write a review if I think that what I landed on is a great value or if I am disappointed in all of the effort and thought that went into the purchase. That, in a nutshell, is what I look for. Best bang for buck not just bragging rights. I think that the difference between $40 cans and $150 cans is HUGE but the difference between $150 cans and $650 is deep into the territory of diminishing returns. I have listened to some expensive setups and my impression was...yeah well MAYBE it sounds a little bit better but not THAT much better. certainly not twice as good. Not even close. It's more like a 5% - 10% gain for a 300% price increase. This is the perspective that this review is based on. Each headphone has its own strengths and weaknesses and serves different purposes. I did tons of research before purchasing each one and I bought each one to fill a different niche. In some cases I tried out a few sets that I returned before landing on the ones that I have now. Each headphone that I currently own I am very satisfied with. However, I have never heard of the one headphone to rule them all. That would need to have perfect freq. response, incredible sound-stage and detail, isolation, super comfy and breathable, perfect for travel, and able to be driven by even wimpy sources . It does not exist man. Not at any price. I am more into having situational variety and the best bang for buck. I think each of these sets are solid choices at their price point for a particular set of needs. I can wholeheartedly recommended each one for their respective niche. Similarly, I own a gas grill, a charcoal grill and a smoker. None of them does everything perfectly but each accomplishes a specific task exceptionally well. Get it? Cool. So, where do the DT990's fit in? Power Requirements: It is worth noting that the 990's listed here are 250 ohms but there are other flavors. 250 ohms all but mandates an amp. To my knowledge the Limited Edition all black ones are only available in 250 ohms. There are variants to the 990 that come as low as 32 ohm and as high as 600 ohm. If you go for the 32 ohm an amp should not be a necessity. Construction: Very solid with a minor quibble. As near as I can tell there is one solid piece of spring steel for the headband that attaches to both ear-cups. The ear-cups are plastic but of the thick and sturdy variety. The cover on the headband is nice and squishy and has button snaps. So, it looks easy to replace if damaged. All the materials seem to be of great quality for a set at this price. Ear-pads are velour which is by far my very favorite option for ear-pads. Also, the DT990 are a very long lived and well loved set. The mfg. claims that nearly all parts are easily obtained and replaceable. Even though the upfront cost is more than some other options you can sleep well knowing that your set should last you many years to come. My one reservation is that it is not clear to me if the cord is replaceable. It has a standard strain relief. I have not searched or asked the mfg. about it. If it is indeed not replaceable, this might be cause for concern. Comfort: Nice. I have a close shaved haircut but I barely notice the headband. Open sets with velour ear-pads breath and rarely get hot and sweaty. I have a smaller head than some humans. The clamping force is maybe one concern. For me it's just fine. If you have a large meaty head it is possible the clamp may be a bit much. The good news is that the spring-steel is fairly yielding and should be in no danger of losing shape over time. Sound-stage: It is a very open sounding set. It's not on par with say AKG Q701's or the legendary AD700's but the DT990's offer a very respectable sound-stage of their own. Separation and positioning are very good. This makes the 990 a nice option for gaming just not the "best" option for competitive "sound whoring". (Pardon the phrase, I did not invent it) Sonic Profile: This is a matter of taste of course but I am going to list it as a big plus for me. The DT990 has a sort of V shaped sound profile. There is some emphasis on both lows (bass) and highs (treble) with slightly recessed mids. This set makes no excuses for not being a neutral set but it pulls off an interesting feat. Open sets usually have weaker bass. So, the 990's crank it up a notch. The result is an open can with some punch. It also has great clarity of high frequencies thanks to the 990's slight emphasis on treble and open back. If all you want are X-Ray ears for online shooters you are better served with Q701's or the famous AD-700's. Compared to those options the DT990's represent a trade off of slightly less clarity and sound stage for a MUCH more satisfying bass response. Recommended for: Solo listening: Open design offers no real isolation but when alone I will take the sound-stage of an open set any day of the week. Non-competitive gaming: Sonic profile is a lot of "fun" and sound-stage is great with Dolby or CMSS. If competitive gaming is ALL you want maybe get the AD700's instead. Bassy music tracks: Rap/Hip-Hop, DnB, Dubstep...etc. The "fun" sound of these cans offer a really great mix of traits for an open set. The 990's may not be neutral but when paired with material to match its strengths the rewards are great. Not Recommended for: Privacy: You may bothers others in the room because of leaking sounds. Travel: See above. Just forget about work or airplanes. They do not fold up or lay flat on the chest when taken around the neck like "DJ" headphones. Plus they all but require an amp with decent power. This is a set for at home. Movies/TV: Again, this is an open set geared for "fun". If you want neutral/accurate reproduction this is maybe not the best set. A WORD ABOUT GAMING HEADPHONES I love to game. At least in part, my choices in headphones came by way of the massive review guide by a user called Mad Lust Envy over at Head-Fi. As far as a resource for headphone reviews revolving around gaming his sticky thread over at Head-Fi should be listed as a National Treasure. I would be remiss not give him a shoutout. If you are interested in gaming headphones and have not heard of the Mad Lust Envy Thread over at Head-Fi I strongly recommend a visit. Just be careful. The motto over there is something like "Welcome to Head-Fi! Sorry about your wallet." If you want to make a headset out of your headphones you could do a lot worse than the Antlion Mod-Mic. It has a magnetic mount. You can put magnetic mounts on more than one headphone allowing a lot of flexibility. It also works better than most dedicated headset mics. There is also a good cheaper option form Zalman. *Comparisons may be useful to those who are considering one of the other sets that I own. So, here it goes...* COMPARISONS: DT990 vs. AT-M50: The M50's are a DJ Headphone that can be taken down around the neck and the cups will lay flat on your chest. M50's are closed back, do not leak much sound, they are easy to drive. The Bass is controlled and deep but not too muddy or overly intrusive. True Bass Heads that really just want their teeth to rattle may not be satisfied but I find them to be a real joy for Drum n' Bass, Dub Step or Rap/Hip Hop Tracks. That being said it is a closed back headphone and while the sound stage is not bad for a closed back, it is also not ideal for nit picking finer details in competitive games. Take all of these traits as a whole and what you have is my go-to cans for travel or when I don't want to bother others in the room with what I am listening to. The 990's being open and power hungry (more on this later) are no good as portable cans. Where they impress is the fact that they have almost as much of a "fun" bass response as the M-50's. In open cans this is not typical. Being open and able to dig deep in bass is one of the traits that makes non-competitive gaming with 990's just awesome. They have great bass response in an open design with better sound stage and detail retrieval. If I am alone at home I reach for the 990''s over the M50's. On the road or with the wife in the room it's the exact opposite. DT990 vs. Q701: Q701's are renowned for having a very wide open sound stage and high degree of clarity in the mids and highs. They are equally known for lacking in the bass department. Bass Heads need not apply. They are great for "detail whoring" in competitive online games or listening to fine details in less bass heavy music. X-Ray ears. The sound stage is truly a standout in this set but again many will left wanting for more bass. Also, a very comfy and well crafted set. The DT990 stacks up quite well against the strong points of the Q701. They are very open though not quite on the same level of the sound stage of the Q701. Though it does put up an admirably large sound stage of its own. Both sets are comfort kings. The 990's may have less detail and sound-stage but the bass is much better. DT990 vs. HD558: The 558's are comfy and open and have nice velour pads. They are more like semi-open. They have a good soundstage. The clarity across the spectrum is good with clear mids and highs and nice punchy bass that can get satisfyingly deep but not overly boomy. This is the most neutral of my sets. They are also a low impedance can that is easy to drive and at about $150 they are a very easy set to recommend. I hope you are picking up that I really like the HD558's because for the price (IMHO) they are a solid all-rounder that won't break the bank. This is my go to set for movies and TV. The 990's sound-stage is improved over the 558's and by my estimation positioning in is also a bit better. As noted the Freq. response is more V-shaped in the 990's. The 558's are more neutral and the 990's are more "fun". So, the bass digs a bit deeper and the highs are a bit more detailed though the mids are slightly recessed. The 558's and 990's don't come different worlds the way that the M50's and Q701's do. Detail retrieval is very good. The 990's are a 250 ohm headphone and some sort of amp is pretty much mandatory. Depending on the source you may be able to drive them to a listenable level but a power starved driver will not respond the way it is meant to and the results will be underwhelming. The same is true of the Q701's. Also, the materials and craftsmanship of the DT990 are noticeably more solid than the 558's. I'm not saying the 558's feel cheap, they do not, but the 990's are clearly built to last. In closing: Take all of this with a grain of salt. This is all very subjective and your mileage may vary. You might try something and not feel the same way about it. There is no accounting for taste. I hope that at least someone out there was helped by this review. If you have any specific questions about one of these headphones I would be happy to share my thoughts if you care to hear them. Happy listening, -Heretic;;Reviewed in the United States on January 7, 2016;;5.0 out of 5 stars;;A great all-rounder....but bring an Amp.;;Heretic817

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This product includes free shipping to all US addresses.


Delivery

Orders placed now will arrive in 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Top Amazon Reviews


5.0 out of 5 stars
By Minghong Li - Reviewed in the United States on July 15, 2016
Not for Everyone. Please read carefully.
I currently own this (DT-990-Pro-250 Ohm), Sennheiser HD598, and AKG K702. By comparison, this headphone has V-shaped frequency (pitch) response, which means that lows and highs are more enhanced than mids. The resolution of this headphone is very good; I would say on par with Sennheiser HD598, but little bit less analytical than AKG K702. For users who never used $100+ headphones will be really amazed. And it is really comfortable (I have a bigger head than most people). However, there are two things I want to mention that I do not like: cable and highs. For cable, it is hard wired to the body itself, so you cannot simply swap 3.5mm cable when the original cable is broken. Second, the highs, it can really cause fatigue in your ear (around 10kHz, there is a Huge peak in relative frequency response) it is Piercing high. Some people may like it because boost at 10kHz gives clear and accurate sounding highs without distorting music too much. But people like me, who is more used to Sennheiser's famous signature sound, may feel too piercing to ears. Conclusion: Everything is near-perfect except for hard wired cables and piercing highs (depend on your taste whether it is pro or con) potentially causing ear fatigue relatively fast. If you want analytical sound, avoid this headphone. If you want laid back sound, avoid this headphone. If you want clear, beautifully piercing highs and decent lows, Get this headphone! Overall, I would rate this 5. Some people may say: I can always EQ stuff out. But for me, I buy different headphones because I want to listen to their original, signature sound. I like it.

5.0 out of 5 stars
By HandsON - Reviewed in the United States on December 12, 2017
Professional grade quality at a competitive price
I’m by no means an audiophile, but I do care about all forms of digital consumption enough to make an investment in a good pair of headphones. I usually categorize my headphones based on needs and wants. For example, I use Sony Hear Ons as “lifestyle” headphones because of the Bluetooth capabilities and its portability. I also have the AKG K553’s as my “reference” headphones for editing. My goals for my next pair is something I could use with my desk setup for studio use as my daily headphone. After reading a plethora of head-fi posts and watching multiple YouTube reviews, my search led to the Beyerdynamic DT990 pros and to this day I can’t get enough of them. At first glance, you wouldn’t expect it to be a premium headphone due to the fact that it’s made almost entirely out of plastic except for the headband and the arms connecting it to the ear cups. The headband is wrapped with a soft layer of fake leather, which can attach and detach with a few clasp buttons. Don’t let the nearly plastic design fool you because it’s pretty high-quality polymer plastic and the build itself is solid. In most cases, it’s actually a good thing because it makes for a lighter headphone, perfect for long uses. The adjustments aren’t as smooth as an all-metal design, but it works fine and can extend to fit almost any head. The cable is coiled and runs around 3 meters ending in a gold-plated 3.5 mm jack. It also comes with a screw on 1/4 inch adapter, which is also gold-plated. Beyerdynamic is known for their velour ear pads and they’re probably the best part aside from the sound. It has a plush and smooth feeling unlike any other. The clamping force is somewhat tight, but I got used to it pretty fast. Some people might be concerned about the whole velour vs pleather thing and based on the performance and comfort I wouldn’t worry about that. Just to clarify, velour is known to be more open with less isolation compared to pleather. It’s also known to be harder to keep clean (can get dusty) simply due to the nature of the material itself. In terms of sound, I actually prefer the more open soundstage, which makes sense since it’s already an open-backed design. If you’re worried about cleanliness just make sure you wipe it often and try not to use it if you’re super sweaty from the gym or anything like that. Judgement on looks is subjective, but the comfort is out of the question. Given the light-weight form factor and velour pads, I found the DT 990 pros to be cloud-like even after hours of usage. Now for the good part, the sound quality. As previously stated, I’m no audiophile, but I have to say that these headphones are no joke. I’m pretty basic so I listen to most mainstream music (EDM, Hip-Hop, Chillstep, etc.) on Spotify, I watch plenty of YouTube, and I also watch a bunch of TV shows and movies on Netflix on my MacBook Pro. I also use these when I game on my PS4 Pro. With these factors for reference, I found these headphones to be my best audio investment yet. The bass is definitely prominent especially for an open back design without being too overpowering. It’s actually the biggest factor as to why I decided on buying these because I was looking for an open back headphone with good bass, which led me to the DT 990’s in the first place because they’re known to be great with both features. Between the Pros and the Premiums, a bit of research led me to conclude that the Pros had slightly more bass, which I prefer. The mids have a lot of detail but don’t shine as much. The highs are incredibly clear but can get a bit too bright for my taste. Sometimes it’ll result in a slight ear piercing sensation depending on what I’m listening too, but your mileage may vary. The soundstage is wide and gives a great representation of spatial cues resulting in an accurate listening experience. The 250 Ohm model is the sweet spot out of the three, but make sure you have a good amp to power them. Personally, I use the Behringer AMP800 Four Channel Headphone Amp and it works great. I tried connecting it to my iPhone for comparison and it’s still listenable, but you’ll have to max out the volume. I’ve had my DT 990’s for over two years now and it definitely stands the test of time. Unless you have a bunch of money to spend on something like a pair of Sennheiser HD800’s, there’s really no need to look any further when presented with great value. The price is just right even for the average consumer and offers professional grade quality. Having crystal clear audio isn’t hard to get, but when making an investment it’s important to read the fine print and research all the opinions. With the DT 990’s I can truly enjoy all digital content and I’m confident that you will too.

5.0 out of 5 stars
By Heretic817 - Reviewed in the United States on January 7, 2016
A great all-rounder....but bring an Amp.
EDIT: After a comment by another user I looked at my review and found that perhaps there were some points of seeming ambiguity that I had not intended. So, I made a second pass to clear up my stance on a few things. While I do not consider myself an audiophile I do like a good pair of headphones. The DT990 250ohm is a very nice set. I currently own Senns. HD558's, AT-M50's, AKG Q701's, and the DT990 Pros'. I also own an Objective 2 Amp. As an aside If you want/need an affordable headphone amp I highly recommend the O2 and JDS is an excellent supplier. The price at JDS has also dropped a bit over time and at present it's a steal at about $130. I can't recommend it highly enough. I have never tried it, though I plan to, but the Magni 2 by Schiit by all accounts is another very solid budget performer. NOTICE: I have a particular character flaw. If I go to spend more than $100 on a luxury item I obsess over it for an unnatural amount of time. I read every review at every site twice. I dwell on it for weeks on end. Then I try one out, return it and try something else. It's borderline to being a named disease. The point is I only write a review if I think that what I landed on is a great value or if I am disappointed in all of the effort and thought that went into the purchase. That, in a nutshell, is what I look for. Best bang for buck not just bragging rights. I think that the difference between $40 cans and $150 cans is HUGE but the difference between $150 cans and $650 is deep into the territory of diminishing returns. I have listened to some expensive setups and my impression was...yeah well MAYBE it sounds a little bit better but not THAT much better. certainly not twice as good. Not even close. It's more like a 5% - 10% gain for a 300% price increase. This is the perspective that this review is based on. Each headphone has its own strengths and weaknesses and serves different purposes. I did tons of research before purchasing each one and I bought each one to fill a different niche. In some cases I tried out a few sets that I returned before landing on the ones that I have now. Each headphone that I currently own I am very satisfied with. However, I have never heard of the one headphone to rule them all. That would need to have perfect freq. response, incredible sound-stage and detail, isolation, super comfy and breathable, perfect for travel, and able to be driven by even wimpy sources . It does not exist man. Not at any price. I am more into having situational variety and the best bang for buck. I think each of these sets are solid choices at their price point for a particular set of needs. I can wholeheartedly recommended each one for their respective niche. Similarly, I own a gas grill, a charcoal grill and a smoker. None of them does everything perfectly but each accomplishes a specific task exceptionally well. Get it? Cool. So, where do the DT990's fit in? Power Requirements: It is worth noting that the 990's listed here are 250 ohms but there are other flavors. 250 ohms all but mandates an amp. To my knowledge the Limited Edition all black ones are only available in 250 ohms. There are variants to the 990 that come as low as 32 ohm and as high as 600 ohm. If you go for the 32 ohm an amp should not be a necessity. Construction: Very solid with a minor quibble. As near as I can tell there is one solid piece of spring steel for the headband that attaches to both ear-cups. The ear-cups are plastic but of the thick and sturdy variety. The cover on the headband is nice and squishy and has button snaps. So, it looks easy to replace if damaged. All the materials seem to be of great quality for a set at this price. Ear-pads are velour which is by far my very favorite option for ear-pads. Also, the DT990 are a very long lived and well loved set. The mfg. claims that nearly all parts are easily obtained and replaceable. Even though the upfront cost is more than some other options you can sleep well knowing that your set should last you many years to come. My one reservation is that it is not clear to me if the cord is replaceable. It has a standard strain relief. I have not searched or asked the mfg. about it. If it is indeed not replaceable, this might be cause for concern. Comfort: Nice. I have a close shaved haircut but I barely notice the headband. Open sets with velour ear-pads breath and rarely get hot and sweaty. I have a smaller head than some humans. The clamping force is maybe one concern. For me it's just fine. If you have a large meaty head it is possible the clamp may be a bit much. The good news is that the spring-steel is fairly yielding and should be in no danger of losing shape over time. Sound-stage: It is a very open sounding set. It's not on par with say AKG Q701's or the legendary AD700's but the DT990's offer a very respectable sound-stage of their own. Separation and positioning are very good. This makes the 990 a nice option for gaming just not the "best" option for competitive "sound whoring". (Pardon the phrase, I did not invent it) Sonic Profile: This is a matter of taste of course but I am going to list it as a big plus for me. The DT990 has a sort of V shaped sound profile. There is some emphasis on both lows (bass) and highs (treble) with slightly recessed mids. This set makes no excuses for not being a neutral set but it pulls off an interesting feat. Open sets usually have weaker bass. So, the 990's crank it up a notch. The result is an open can with some punch. It also has great clarity of high frequencies thanks to the 990's slight emphasis on treble and open back. If all you want are X-Ray ears for online shooters you are better served with Q701's or the famous AD-700's. Compared to those options the DT990's represent a trade off of slightly less clarity and sound stage for a MUCH more satisfying bass response. Recommended for: Solo listening: Open design offers no real isolation but when alone I will take the sound-stage of an open set any day of the week. Non-competitive gaming: Sonic profile is a lot of "fun" and sound-stage is great with Dolby or CMSS. If competitive gaming is ALL you want maybe get the AD700's instead. Bassy music tracks: Rap/Hip-Hop, DnB, Dubstep...etc. The "fun" sound of these cans offer a really great mix of traits for an open set. The 990's may not be neutral but when paired with material to match its strengths the rewards are great. Not Recommended for: Privacy: You may bothers others in the room because of leaking sounds. Travel: See above. Just forget about work or airplanes. They do not fold up or lay flat on the chest when taken around the neck like "DJ" headphones. Plus they all but require an amp with decent power. This is a set for at home. Movies/TV: Again, this is an open set geared for "fun". If you want neutral/accurate reproduction this is maybe not the best set. A WORD ABOUT GAMING HEADPHONES I love to game. At least in part, my choices in headphones came by way of the massive review guide by a user called Mad Lust Envy over at Head-Fi. As far as a resource for headphone reviews revolving around gaming his sticky thread over at Head-Fi should be listed as a National Treasure. I would be remiss not give him a shoutout. If you are interested in gaming headphones and have not heard of the Mad Lust Envy Thread over at Head-Fi I strongly recommend a visit. Just be careful. The motto over there is something like "Welcome to Head-Fi! Sorry about your wallet." If you want to make a headset out of your headphones you could do a lot worse than the Antlion Mod-Mic. It has a magnetic mount. You can put magnetic mounts on more than one headphone allowing a lot of flexibility. It also works better than most dedicated headset mics. There is also a good cheaper option form Zalman. *Comparisons may be useful to those who are considering one of the other sets that I own. So, here it goes...* COMPARISONS: DT990 vs. AT-M50: The M50's are a DJ Headphone that can be taken down around the neck and the cups will lay flat on your chest. M50's are closed back, do not leak much sound, they are easy to drive. The Bass is controlled and deep but not too muddy or overly intrusive. True Bass Heads that really just want their teeth to rattle may not be satisfied but I find them to be a real joy for Drum n' Bass, Dub Step or Rap/Hip Hop Tracks. That being said it is a closed back headphone and while the sound stage is not bad for a closed back, it is also not ideal for nit picking finer details in competitive games. Take all of these traits as a whole and what you have is my go-to cans for travel or when I don't want to bother others in the room with what I am listening to. The 990's being open and power hungry (more on this later) are no good as portable cans. Where they impress is the fact that they have almost as much of a "fun" bass response as the M-50's. In open cans this is not typical. Being open and able to dig deep in bass is one of the traits that makes non-competitive gaming with 990's just awesome. They have great bass response in an open design with better sound stage and detail retrieval. If I am alone at home I reach for the 990''s over the M50's. On the road or with the wife in the room it's the exact opposite. DT990 vs. Q701: Q701's are renowned for having a very wide open sound stage and high degree of clarity in the mids and highs. They are equally known for lacking in the bass department. Bass Heads need not apply. They are great for "detail whoring" in competitive online games or listening to fine details in less bass heavy music. X-Ray ears. The sound stage is truly a standout in this set but again many will left wanting for more bass. Also, a very comfy and well crafted set. The DT990 stacks up quite well against the strong points of the Q701. They are very open though not quite on the same level of the sound stage of the Q701. Though it does put up an admirably large sound stage of its own. Both sets are comfort kings. The 990's may have less detail and sound-stage but the bass is much better. DT990 vs. HD558: The 558's are comfy and open and have nice velour pads. They are more like semi-open. They have a good soundstage. The clarity across the spectrum is good with clear mids and highs and nice punchy bass that can get satisfyingly deep but not overly boomy. This is the most neutral of my sets. They are also a low impedance can that is easy to drive and at about $150 they are a very easy set to recommend. I hope you are picking up that I really like the HD558's because for the price (IMHO) they are a solid all-rounder that won't break the bank. This is my go to set for movies and TV. The 990's sound-stage is improved over the 558's and by my estimation positioning in is also a bit better. As noted the Freq. response is more V-shaped in the 990's. The 558's are more neutral and the 990's are more "fun". So, the bass digs a bit deeper and the highs are a bit more detailed though the mids are slightly recessed. The 558's and 990's don't come different worlds the way that the M50's and Q701's do. Detail retrieval is very good. The 990's are a 250 ohm headphone and some sort of amp is pretty much mandatory. Depending on the source you may be able to drive them to a listenable level but a power starved driver will not respond the way it is meant to and the results will be underwhelming. The same is true of the Q701's. Also, the materials and craftsmanship of the DT990 are noticeably more solid than the 558's. I'm not saying the 558's feel cheap, they do not, but the 990's are clearly built to last. In closing: Take all of this with a grain of salt. This is all very subjective and your mileage may vary. You might try something and not feel the same way about it. There is no accounting for taste. I hope that at least someone out there was helped by this review. If you have any specific questions about one of these headphones I would be happy to share my thoughts if you care to hear them. Happy listening, -Heretic

Recent Reviews


5.0 out of 5 stars
By Minghong Li - Reviewed in the United States on July 15, 2016
Not for Everyone. Please read carefully.
I currently own this (DT-990-Pro-250 Ohm), Sennheiser HD598, and AKG K702. By comparison, this headphone has V-shaped frequency (pitch) response, which means that lows and highs are more enhanced than mids. The resolution of this headphone is very good; I would say on par with Sennheiser HD598, but little bit less analytical than AKG K702. For users who never used $100+ headphones will be really amazed. And it is really comfortable (I have a bigger head than most people). However, there are two things I want to mention that I do not like: cable and highs. For cable, it is hard wired to the body itself, so you cannot simply swap 3.5mm cable when the original cable is broken. Second, the highs, it can really cause fatigue in your ear (around 10kHz, there is a Huge peak in relative frequency response) it is Piercing high. Some people may like it because boost at 10kHz gives clear and accurate sounding highs without distorting music too much. But people like me, who is more used to Sennheiser's famous signature sound, may feel too piercing to ears. Conclusion: Everything is near-perfect except for hard wired cables and piercing highs (depend on your taste whether it is pro or con) potentially causing ear fatigue relatively fast. If you want analytical sound, avoid this headphone. If you want laid back sound, avoid this headphone. If you want clear, beautifully piercing highs and decent lows, Get this headphone! Overall, I would rate this 5. Some people may say: I can always EQ stuff out. But for me, I buy different headphones because I want to listen to their original, signature sound. I like it.

5.0 out of 5 stars
By HandsON - Reviewed in the United States on December 12, 2017
Professional grade quality at a competitive price
I’m by no means an audiophile, but I do care about all forms of digital consumption enough to make an investment in a good pair of headphones. I usually categorize my headphones based on needs and wants. For example, I use Sony Hear Ons as “lifestyle” headphones because of the Bluetooth capabilities and its portability. I also have the AKG K553’s as my “reference” headphones for editing. My goals for my next pair is something I could use with my desk setup for studio use as my daily headphone. After reading a plethora of head-fi posts and watching multiple YouTube reviews, my search led to the Beyerdynamic DT990 pros and to this day I can’t get enough of them. At first glance, you wouldn’t expect it to be a premium headphone due to the fact that it’s made almost entirely out of plastic except for the headband and the arms connecting it to the ear cups. The headband is wrapped with a soft layer of fake leather, which can attach and detach with a few clasp buttons. Don’t let the nearly plastic design fool you because it’s pretty high-quality polymer plastic and the build itself is solid. In most cases, it’s actually a good thing because it makes for a lighter headphone, perfect for long uses. The adjustments aren’t as smooth as an all-metal design, but it works fine and can extend to fit almost any head. The cable is coiled and runs around 3 meters ending in a gold-plated 3.5 mm jack. It also comes with a screw on 1/4 inch adapter, which is also gold-plated. Beyerdynamic is known for their velour ear pads and they’re probably the best part aside from the sound. It has a plush and smooth feeling unlike any other. The clamping force is somewhat tight, but I got used to it pretty fast. Some people might be concerned about the whole velour vs pleather thing and based on the performance and comfort I wouldn’t worry about that. Just to clarify, velour is known to be more open with less isolation compared to pleather. It’s also known to be harder to keep clean (can get dusty) simply due to the nature of the material itself. In terms of sound, I actually prefer the more open soundstage, which makes sense since it’s already an open-backed design. If you’re worried about cleanliness just make sure you wipe it often and try not to use it if you’re super sweaty from the gym or anything like that. Judgement on looks is subjective, but the comfort is out of the question. Given the light-weight form factor and velour pads, I found the DT 990 pros to be cloud-like even after hours of usage. Now for the good part, the sound quality. As previously stated, I’m no audiophile, but I have to say that these headphones are no joke. I’m pretty basic so I listen to most mainstream music (EDM, Hip-Hop, Chillstep, etc.) on Spotify, I watch plenty of YouTube, and I also watch a bunch of TV shows and movies on Netflix on my MacBook Pro. I also use these when I game on my PS4 Pro. With these factors for reference, I found these headphones to be my best audio investment yet. The bass is definitely prominent especially for an open back design without being too overpowering. It’s actually the biggest factor as to why I decided on buying these because I was looking for an open back headphone with good bass, which led me to the DT 990’s in the first place because they’re known to be great with both features. Between the Pros and the Premiums, a bit of research led me to conclude that the Pros had slightly more bass, which I prefer. The mids have a lot of detail but don’t shine as much. The highs are incredibly clear but can get a bit too bright for my taste. Sometimes it’ll result in a slight ear piercing sensation depending on what I’m listening too, but your mileage may vary. The soundstage is wide and gives a great representation of spatial cues resulting in an accurate listening experience. The 250 Ohm model is the sweet spot out of the three, but make sure you have a good amp to power them. Personally, I use the Behringer AMP800 Four Channel Headphone Amp and it works great. I tried connecting it to my iPhone for comparison and it’s still listenable, but you’ll have to max out the volume. I’ve had my DT 990’s for over two years now and it definitely stands the test of time. Unless you have a bunch of money to spend on something like a pair of Sennheiser HD800’s, there’s really no need to look any further when presented with great value. The price is just right even for the average consumer and offers professional grade quality. Having crystal clear audio isn’t hard to get, but when making an investment it’s important to read the fine print and research all the opinions. With the DT 990’s I can truly enjoy all digital content and I’m confident that you will too.

5.0 out of 5 stars
By Heretic817 - Reviewed in the United States on January 7, 2016
A great all-rounder....but bring an Amp.
EDIT: After a comment by another user I looked at my review and found that perhaps there were some points of seeming ambiguity that I had not intended. So, I made a second pass to clear up my stance on a few things. While I do not consider myself an audiophile I do like a good pair of headphones. The DT990 250ohm is a very nice set. I currently own Senns. HD558's, AT-M50's, AKG Q701's, and the DT990 Pros'. I also own an Objective 2 Amp. As an aside If you want/need an affordable headphone amp I highly recommend the O2 and JDS is an excellent supplier. The price at JDS has also dropped a bit over time and at present it's a steal at about $130. I can't recommend it highly enough. I have never tried it, though I plan to, but the Magni 2 by Schiit by all accounts is another very solid budget performer. NOTICE: I have a particular character flaw. If I go to spend more than $100 on a luxury item I obsess over it for an unnatural amount of time. I read every review at every site twice. I dwell on it for weeks on end. Then I try one out, return it and try something else. It's borderline to being a named disease. The point is I only write a review if I think that what I landed on is a great value or if I am disappointed in all of the effort and thought that went into the purchase. That, in a nutshell, is what I look for. Best bang for buck not just bragging rights. I think that the difference between $40 cans and $150 cans is HUGE but the difference between $150 cans and $650 is deep into the territory of diminishing returns. I have listened to some expensive setups and my impression was...yeah well MAYBE it sounds a little bit better but not THAT much better. certainly not twice as good. Not even close. It's more like a 5% - 10% gain for a 300% price increase. This is the perspective that this review is based on. Each headphone has its own strengths and weaknesses and serves different purposes. I did tons of research before purchasing each one and I bought each one to fill a different niche. In some cases I tried out a few sets that I returned before landing on the ones that I have now. Each headphone that I currently own I am very satisfied with. However, I have never heard of the one headphone to rule them all. That would need to have perfect freq. response, incredible sound-stage and detail, isolation, super comfy and breathable, perfect for travel, and able to be driven by even wimpy sources . It does not exist man. Not at any price. I am more into having situational variety and the best bang for buck. I think each of these sets are solid choices at their price point for a particular set of needs. I can wholeheartedly recommended each one for their respective niche. Similarly, I own a gas grill, a charcoal grill and a smoker. None of them does everything perfectly but each accomplishes a specific task exceptionally well. Get it? Cool. So, where do the DT990's fit in? Power Requirements: It is worth noting that the 990's listed here are 250 ohms but there are other flavors. 250 ohms all but mandates an amp. To my knowledge the Limited Edition all black ones are only available in 250 ohms. There are variants to the 990 that come as low as 32 ohm and as high as 600 ohm. If you go for the 32 ohm an amp should not be a necessity. Construction: Very solid with a minor quibble. As near as I can tell there is one solid piece of spring steel for the headband that attaches to both ear-cups. The ear-cups are plastic but of the thick and sturdy variety. The cover on the headband is nice and squishy and has button snaps. So, it looks easy to replace if damaged. All the materials seem to be of great quality for a set at this price. Ear-pads are velour which is by far my very favorite option for ear-pads. Also, the DT990 are a very long lived and well loved set. The mfg. claims that nearly all parts are easily obtained and replaceable. Even though the upfront cost is more than some other options you can sleep well knowing that your set should last you many years to come. My one reservation is that it is not clear to me if the cord is replaceable. It has a standard strain relief. I have not searched or asked the mfg. about it. If it is indeed not replaceable, this might be cause for concern. Comfort: Nice. I have a close shaved haircut but I barely notice the headband. Open sets with velour ear-pads breath and rarely get hot and sweaty. I have a smaller head than some humans. The clamping force is maybe one concern. For me it's just fine. If you have a large meaty head it is possible the clamp may be a bit much. The good news is that the spring-steel is fairly yielding and should be in no danger of losing shape over time. Sound-stage: It is a very open sounding set. It's not on par with say AKG Q701's or the legendary AD700's but the DT990's offer a very respectable sound-stage of their own. Separation and positioning are very good. This makes the 990 a nice option for gaming just not the "best" option for competitive "sound whoring". (Pardon the phrase, I did not invent it) Sonic Profile: This is a matter of taste of course but I am going to list it as a big plus for me. The DT990 has a sort of V shaped sound profile. There is some emphasis on both lows (bass) and highs (treble) with slightly recessed mids. This set makes no excuses for not being a neutral set but it pulls off an interesting feat. Open sets usually have weaker bass. So, the 990's crank it up a notch. The result is an open can with some punch. It also has great clarity of high frequencies thanks to the 990's slight emphasis on treble and open back. If all you want are X-Ray ears for online shooters you are better served with Q701's or the famous AD-700's. Compared to those options the DT990's represent a trade off of slightly less clarity and sound stage for a MUCH more satisfying bass response. Recommended for: Solo listening: Open design offers no real isolation but when alone I will take the sound-stage of an open set any day of the week. Non-competitive gaming: Sonic profile is a lot of "fun" and sound-stage is great with Dolby or CMSS. If competitive gaming is ALL you want maybe get the AD700's instead. Bassy music tracks: Rap/Hip-Hop, DnB, Dubstep...etc. The "fun" sound of these cans offer a really great mix of traits for an open set. The 990's may not be neutral but when paired with material to match its strengths the rewards are great. Not Recommended for: Privacy: You may bothers others in the room because of leaking sounds. Travel: See above. Just forget about work or airplanes. They do not fold up or lay flat on the chest when taken around the neck like "DJ" headphones. Plus they all but require an amp with decent power. This is a set for at home. Movies/TV: Again, this is an open set geared for "fun". If you want neutral/accurate reproduction this is maybe not the best set. A WORD ABOUT GAMING HEADPHONES I love to game. At least in part, my choices in headphones came by way of the massive review guide by a user called Mad Lust Envy over at Head-Fi. As far as a resource for headphone reviews revolving around gaming his sticky thread over at Head-Fi should be listed as a National Treasure. I would be remiss not give him a shoutout. If you are interested in gaming headphones and have not heard of the Mad Lust Envy Thread over at Head-Fi I strongly recommend a visit. Just be careful. The motto over there is something like "Welcome to Head-Fi! Sorry about your wallet." If you want to make a headset out of your headphones you could do a lot worse than the Antlion Mod-Mic. It has a magnetic mount. You can put magnetic mounts on more than one headphone allowing a lot of flexibility. It also works better than most dedicated headset mics. There is also a good cheaper option form Zalman. *Comparisons may be useful to those who are considering one of the other sets that I own. So, here it goes...* COMPARISONS: DT990 vs. AT-M50: The M50's are a DJ Headphone that can be taken down around the neck and the cups will lay flat on your chest. M50's are closed back, do not leak much sound, they are easy to drive. The Bass is controlled and deep but not too muddy or overly intrusive. True Bass Heads that really just want their teeth to rattle may not be satisfied but I find them to be a real joy for Drum n' Bass, Dub Step or Rap/Hip Hop Tracks. That being said it is a closed back headphone and while the sound stage is not bad for a closed back, it is also not ideal for nit picking finer details in competitive games. Take all of these traits as a whole and what you have is my go-to cans for travel or when I don't want to bother others in the room with what I am listening to. The 990's being open and power hungry (more on this later) are no good as portable cans. Where they impress is the fact that they have almost as much of a "fun" bass response as the M-50's. In open cans this is not typical. Being open and able to dig deep in bass is one of the traits that makes non-competitive gaming with 990's just awesome. They have great bass response in an open design with better sound stage and detail retrieval. If I am alone at home I reach for the 990''s over the M50's. On the road or with the wife in the room it's the exact opposite. DT990 vs. Q701: Q701's are renowned for having a very wide open sound stage and high degree of clarity in the mids and highs. They are equally known for lacking in the bass department. Bass Heads need not apply. They are great for "detail whoring" in competitive online games or listening to fine details in less bass heavy music. X-Ray ears. The sound stage is truly a standout in this set but again many will left wanting for more bass. Also, a very comfy and well crafted set. The DT990 stacks up quite well against the strong points of the Q701. They are very open though not quite on the same level of the sound stage of the Q701. Though it does put up an admirably large sound stage of its own. Both sets are comfort kings. The 990's may have less detail and sound-stage but the bass is much better. DT990 vs. HD558: The 558's are comfy and open and have nice velour pads. They are more like semi-open. They have a good soundstage. The clarity across the spectrum is good with clear mids and highs and nice punchy bass that can get satisfyingly deep but not overly boomy. This is the most neutral of my sets. They are also a low impedance can that is easy to drive and at about $150 they are a very easy set to recommend. I hope you are picking up that I really like the HD558's because for the price (IMHO) they are a solid all-rounder that won't break the bank. This is my go to set for movies and TV. The 990's sound-stage is improved over the 558's and by my estimation positioning in is also a bit better. As noted the Freq. response is more V-shaped in the 990's. The 558's are more neutral and the 990's are more "fun". So, the bass digs a bit deeper and the highs are a bit more detailed though the mids are slightly recessed. The 558's and 990's don't come different worlds the way that the M50's and Q701's do. Detail retrieval is very good. The 990's are a 250 ohm headphone and some sort of amp is pretty much mandatory. Depending on the source you may be able to drive them to a listenable level but a power starved driver will not respond the way it is meant to and the results will be underwhelming. The same is true of the Q701's. Also, the materials and craftsmanship of the DT990 are noticeably more solid than the 558's. I'm not saying the 558's feel cheap, they do not, but the 990's are clearly built to last. In closing: Take all of this with a grain of salt. This is all very subjective and your mileage may vary. You might try something and not feel the same way about it. There is no accounting for taste. I hope that at least someone out there was helped by this review. If you have any specific questions about one of these headphones I would be happy to share my thoughts if you care to hear them. Happy listening, -Heretic