 | |  | | | Ultrasone PRO 900 S-Logic Surround Sound Professional Headphones - Black | | | | | | | |
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| | Features | Foldable, closed-back professional headphonesAluminium nameplatesNew PRO Box (hardcase) for safe transportation and storage, incl. accessoriesNew 40 mm Titanium plated driversS-Logic Natural Surround Sound PLUS
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| | Description | The PRO 900 offers professional and unlimited sound performance. This is the first pair of Ultrasone PRO headphones with the patented S-Logic PLUS technology. S-Logic Plus is the newest advancement in the S-Logic Natural Surround System. S-Logic Plus profits directly from innovations developed for our flagship Edition range, the ultimate headphones for critical listening. This sophisticated new technology combines precision dampening with micro-acoustic reinforcement, allowing driver, buffer-board, and spatial parameters to complement one another in an optimal manner. So the acoustical design of S-Logic PLUS models and their tonal fine-tuning result in maximum neutral sound impression with more vivid perception of voices and instruments. PRO headphones stand for Ultra Low Emission (ULE-technology) with significant benefits for professional users and PRO headphones show a specific design. The PRO 900 appearance does not only distinguish the professional line but also allows due to more ear anatomy area a higher degree of transparency in combination with the spatial sense and understanding. The PRO 900 headphones offer an additional possibility to choose a black pair of PRO headphones with black and silver velvet earpads. | |
| | Product Details | | Product Length: | 11.22 inches | | Product Width: | 3.54 inches | | Product Height: | 9.05 inches | | Product Weight: | 2.64 pounds | | Package Length: | 10.87 inches | | Package Width: | 9.21 inches | | Package Height: | 3.86 inches | | Package Weight: | 2.78 pounds | | Average Customer Rating: |  based on 17 reviews |
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| | Customer Reviews | Average Customer Review: ( 17 customer reviews )
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Most Helpful Customer Reviews
26 of 27 found the following review helpful:
 Pro 900 Review | The Bass Monster Feb 23, 2011
By Katun
I remember my quest for outstanding bass began long ago. I'll spare you the time and skip to the end by saying that I thought I found "the one" when I bought the D2000 a second time. It was such a fabulous headphone, and I didn't plan on upgrading anytime soon. But unfortunately, curiosity killed me yet once again, and I gave in to a pair of Ultrasone Pro 900's due to intriguing reviews. I've always heard Ultrasone had a legendary bottom end, but nothing could prepare me for what I was about to hear.
Let's start out with something basic. How about build and appearance?
Opening the box to the Pro 900 is a bit of a surprise. All I can say is, they look smaller in the pictures. Despite their relatively big earcups, they are lightweight, yet sturdy. Even though the headphone is entirely made of plastic, this is not the type of plastic that people will fear of breaking or cracking. This is the tough stuff. I have absolutely no worries about it getting broken or damaged in the happenings of an accident. Everything looks and feels great, including the headband adjustment mechanism, which slides easily and stays where you want it to. The headband itself is made of a more rubbery material that just feels great! No worries, no complaints. Nice simplistic design.
But build and appearance is a factor than carries little weight during critique. So now, we'll move onto a category that does carry a significant amount of weight when judging a headphone. The comfort.
I honestly thought these things would be uncomfortable before I bought them, but that turned out to be proven false when first placed on my head. Even after half an hour passed, I'm still quite impressed with how well these feel. Clamping force is a little more than your average headphone, but without having a vice grip. No, I won't classify them as one of my comfiest and it's definitely nowhere near the worst. After about an hour, I start to get slightly irritated by the padding on the headband, but no biggie, I just take a break or readjust it on my head. Even the D2000 had this problem with me. In fact, I think every single headphone I've had has had this problem with the exception of the HD650 and AD700. Other than that, these are perfectly fine, and shorter listening sessions are a breeze to get through.
But of course, even build and comfort cannot outweigh the signature component of any headphone or piece of audio equipment. I'm talking about the category that decides whether the headphone is a "Deal or No Deal". Now, let's go ahead and take a look, or should I say, a listen, at the sound.
For those of you who read my D2000 vs HD650 comparison, it will become quickly apparent to you that I adored my D2000. Yet, even it couldn't stand up to the Pro 900. But how could that be? How could my all-time favorite headphone get the axe so suddenly? What aspect sets them apart so vividly?
Well, I'll tell you. It's the bass. And that is what makes the Pro 900 legendary.
Examining the Pro 900's bass is truly something unexpected. It throws you for a loop, and questions everything you previously knew about the laws of bass. It breaks the past rules, and rewrites its own. In short, the bass is something you really have to experience, to believe. But what really sets it apart besides its high definition and authority, is the fact it stays where it should stay. Meaning, the bass stays as bass. It doesn't flood into the midrange or distract you from hearing the treble. It doesn't wash out those minor details or fatigue you with overbearance. It doesn't step out of line or become suddenly uncontrolled and unnatural. It's just there, and presents itself with the grandest of power and superior authority. The subterranean rumble it produces is simply addicting to listen to, and it gives songs with a beat a whole new level of flavor and enjoyment. Summing it up, the bass the Pro 900 puts out is simply the best bass I've ever heard from a headphone. I would buy these for the bass alone.
But the sound spectrum isn't complete with just bass, as we also have the other two important components. First off, let's hit the midrange. Unfortunately, there isn't much to say about the midrange. I won't say it horrible, or even bad, but it's the most lacking component in the sound. It's a lot like the D2000, in which it is the most recessed out of anything in the spectrum. With certain types of music, it's perfectly fine as is and you tend not to notice, but with other music, it simply can leave you a bit wanting. But no worries, the bass is just so satisfying you tend to forget about any shortcomings in the midrange.
Jumping into the upper realms, we hit the Pro 900's treble. Simply said, it's really quite nice. It has a nice sparkle and good definition. While it's very hot and bright at first, it definitely tames down with burn in, as with the bass becomes more controlled. (Mine has about 250hrs on it now, and the sound has indeed improved/changed). Most of the time, the treble just fits in with the rest of the music and goes unnoticed; meaning it doesn't irritate you by stepping out of line. Sometimes, it will seem a bit too hot, but I scarcely consider that a flaw. But then, you have those occasions where you listen and just admire the high end sparkle it gives you.
But how's the soundstage? Well, I'll just say it's bit better than normal closed headphones, but don't expect any miracles from S-Logic. On some songs, it sounds actually pretty wide, but on most, it sounds just a little better than your average closed headphone. So what about S-Logic then? Well, I really don't know. What I do know is, a closed headphone is a closed headphone. And no matter how many technologies and breakthroughs are invented, it simply cannot give you the sense of space an open headphone will give you. But like I said, there are songs you really don't need all that space, you would rather just have it in a more closed fashion. And that's where the Pro 900 excels. Everything else, it's sounds relatively closed in, especially when comparing it to an open headphone. Then again, it's still a bit better than your average closed headphone. It's closed design is probably a part of the bass being so good, so I won't complain.
And of course, every Pro 900 owner knows of the Kees mod. Many say it improves the sound greatly, some say they don't notice a difference, and the rest have never tried it. For me once again, curiosity had killed me, and I just had to fully Kees modded my Pro 900. And so I did. But I'll go ahead and skip the details and just get the end. By the time I realized the Kees mod was not for me, I had opened up my Pro 900 10+ times; not only experimenting with listening to the Kees mod and then comparing it back to stock, but also to try out my own renditions and fine tunings of the mod. Many weeks went by, hours of listening time had passed, and way too many felt dics and cotton pads were used and discarded in order for me to come up with this conclusion: "The Kees mod can definitely be considered as an improvement for some people, but for others such as myself, it actually detracts from what made the stock sound so great. I definitely won't consider it an upgrade, nor a downgrade, I'll just call it a sidestep. But the absolute best way to tell if it's for you, is to just see for yourself, and experiment if you have the courage and curiosity."
Wrapping up the review, I believe the Pro 900 is simply one of the best closed headphones money can buy. It has an incredibly versatile sound, with excellent dynamics, and of course its signature legendary bass; which just has to be heard to be believed and even understood. On top of its spectacular sound, is also its excellent build quality and better-than-average comfort. All of this makes the Ultrasone Pro 900 nearly too irresistible to pass up, especially if you favor the bottom end of the sound spectrum, in which the Pro 900 excels in more than any other headphone I've ever heard.
11 of 12 found the following review helpful:
Pure Authority Nov 25, 2009
By Shane Smith
The first word that comes to mind when listening to these cans is authority. I've never heard such deep, powerful and controlled bass out of headphones. Mids and highs are stunningly clear and detailed, and the overall presentation will bring out every detail of your source material, good and bad. Listeners with low-bitrate MP3s need not apply, as these phones will mercilessly slaughter lossy files. As with most headphones, and Ultrasones in particular, give these some burn-in time in order to experience them at their full potential. With high-quality source material and a decent amp, you will be astounded at how good these headphones can sound. Highly recommended.
11 of 13 found the following review helpful:
Excellent sound Apr 19, 2009
By L. Topper
The Ultrasone headphone appears to be made of a very high quality plastic. This is pretty common among headphones made in Germany. My AKG 601 and 701 are made of plastic. I believe that the Beyerdynamic 990, 880, and 770 also have large amounts of plastic in the construction. The Sennheiser 600 and 650 also appear to be made of plastic too. So many of these headphones made by German or Austrian companies seem to be made from plastic or resin. They may not look as "expensive" without more metal parts, but if you look on the inside of most loudspeakers, you will see that they are also constructed of some inert, dense kind of plastic or resin. It seems to be less likely to cause unwanted vibrations that effect the quality of sound.
The packaging on the new models comes with a hardshell case that allows plenty of room for the headphones and two sets of detachable cords--one is straight and the other is like a pig-tail. They screw into the headphone. If you are going to use an adapter to change the plug from 1/4" to 1/8" for an Ipod or portable headphone amplifier (always recommended), I suggest the Grado adapter because it has a longer wire that allows the leverage pressure to be off the Ipod jack or headphone jack. The headphones come with an adaptor, but it is the straight kind that puts a kind of pressure on the jack. The headphones also come with another set of earpads.
The sound is really great. The sound is very forward. You get a good sound stage with a real sense of separation of instruments and/or vocals. It sounds like the instruments are placed in different locations (which they are of course). I especially like the sound of live performance recordings. The bass is sometimes so strong that it can be overpowering. However, I have heard a pair that has been broken in. The bass is still very strong, but not overpowering. The first pair of the Pro 900's were straight out of the box with no breakin. I am not sure that I would call these headphones "nuetral." If you want nuetral, check out the Sennheiser 600 or 650 or a number of the Audio-Technica (open backed headphones) earphones which present a very balanced sound. These headphones make a statement--like the so wonderful Grado headphones.
These are really lively and fun, but the bass can be heavy. However, on repeated hearing--especially in jazz, I like the firm, strong bass. In modern jazz (bebop and later), the time is kept on the bass. The bass is critical.
I find myself returning to these headphones frequently. By the way, I also really like the Ultrasone 2500 which has a more balanced presentation, but not quite as exciting as the 900's. I believe that open ended headphones usually do make for a more open, airy, less bassy sound.
All in all, I have to say that I really enjoy listening to them.
6 of 7 found the following review helpful:
Insanely Fun Apr 19, 2011
By dasn0wman
"dasn0wman"
If you ever wonder what it feels like to have extreme bass with no distortion to the mids and highs then these headphones are a must. I agreed with another review that these provide even more bass than the famed Denon AHD2000 while keeping the mids and highs precise and sharp. A must have for those listening to techo and hip hop. They are also extremely comfortable and light. I love the rubbery plastic as it looks like you can toss them around without scratching them.
Wait, you mean these cost more than the Senn HD650?! Are you insane to get these instead of the HD650? Not at all since there is nothing like these headphones out there - clear sound with extreme bass.
7 of 9 found the following review helpful:
Great heaphone Apr 11, 2009
By Carlos Santos
"cmsanto"
These headphones have great sound but need some time to burn in. They provide a sound that is clear and crisp with great bass, outstanding highs, and good mids.
Right out of the box, the bass is very boomy, let them play for a few days and the bass will settle in nicely. After a week or so, the sound will really shine on these phones.
As for physical comfort, they do fit snugly around your head without to much pressure but do rather clamp around your head.
I have used these headphones to listen to indie rock, electronic, jazz, and classical music and I have found that it handles each type of music in a more than satisfactory way. You hear things that you have never noticed before in your favorite music.
I have also used them with computer games and they sound very good and more than serviceable as any other pair of good headphones, however I did not really find them outstanding for gaming.
Music is really where they shine, I would re-buy them in a heartbeat.
See all 17 customer reviews on Amazon.com
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