Отзывы о Наушники Bose QuietComfort 25
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As to the Bose Headphones...Oh, my! Wonderful, awesome sound. The Shure earbuds were great, but obviously in a different class as far as size and ability to place larger and multiple speakers in each ear cup. Also, the Noise Cancelling works amazingly well for my application. I didn't realize how well until the battery used to power the Noise Cancelling feature lost power as I worked last night. I couldn't believe how loud the machine was when the Noise Cancelling quit functioning.
Fortunately, I ran out of battery, fuel, and daylight at the same time and headed back to the vehicle. I installed a fresh AAA battery and the Noise Cancelling feature was back functioning perfectly well. The sound of the music did not appear to be negatively affected, with exception of the tremendously increased volume of machine noise.
My fine quality noise protection headphones will now be relegated to "Dust Gatherer Emeritus"
My only regret is that I didn't do this earlier.

The key to any headphone is how they sound. Here we have a controversy because they surely and definitely have 'the Bose sound'. This is an audio profile which is loved by most of the public but disliked by hard core audiophiles almost universally. Most folks find the Bose sound to be rich and smooth. The hard core guys think that the lows are muddy and the highs non-existent. You can read reviews of almost any Bose product and tell whether the review was written by a person who simply enjoys music (they will like it) or those to who audio is a hobby and maybe even an obsession (they won't).
So there you have the line. These are a beautifully made set of headphones which have had great attention to detail paid in every aspect from fit, finish to how they fold up and of course, how the function. Just handling them is an asthetic treat. I found listening with them to be an equal treat but I have at least one friend who will only listen to vinyl, piles bricks on his amplifier and spends more on his speakers than his car who'd screech at me like a boiled owl for saying that.
There is a major difference between how these sound power on or off. The power on activates the noise canceling aspect and also brightens the sound a significant amount. The noise canceling is superior to say the least. Unlike most technologies which work only on constant noise, the Bose tech works well on variable sounds such as speech as well. Powered by one AAA battery rated at 35 hours life, the headphones go from nothing special power off to wonderful sound isolated from your surroundings when switched on. There is an inline three way switch with microphone to control sound level, speak on a cell phone or change tracks depending on which device is being listened to.
My dB meter cannot work inside the ear cup so I have to estimate the amount of average sound attenuation. I'd guess 20 dB, but I can't be sure. The reduction in ambient noise does make a good deal of difference but the tech blocking variable sounds mean you won't hear people speaking to you as easily as with the more common sound reduction tech and also these would be dicey to use walking where there's traffic. From here on, though, these 'phones will be with me from the start of any airplane trip until the end. No more droning engines at 80 dB or worse, muttering crowds in terminals punctuated by screaming TV talking heads.
As befits a high end device, the case is well thought out, fits the 'phones well and has storage for an adapter and a spare battery. By all means, carry that battery so if yours quits, you have another.
In sum, these are beautifully crafted, aesthetically pleasing superb sounding headphones with superior noise canceling technology. Without a doubt, they will meet with disapproval from the Usual Suspects but that's the fate of all products with the Bose brand. If I had my way, I'd prefer a bit more crisp at the high end, but I'm perfectly satisfied even as is. Great job, Bose.

So, back in Chicago, I bought a pair of these as a change to my usual passive in-ear travel noise reducers.
Wore them for the seven hours home, and have given them about 100 hours burn in now. They're not as musically impressive as my lovely open-backed Sennheiser HD600s, that's no surprise and not a like-for-like comparison but blimey, what a fun pair of headphones these Bose Quiet Comfort 25 noise cancellers are. I never liked the slightly sterile audio quality of the previous QC15s much and apparently Bose sound engineers agreed because this replacement model is instead full of lively pace. They romp along, straight out of the box a bit harsh on the treble but thats already relaxed somewhat and become crisp where it was at times crunchy. The bass is very controlled and precise but still with that sprinting pace I mentioned. The soundstage is excellent and there's a well structured consistency of detail through the range.
The noise cancelling though? Wow.
I've always used proper shove-in ear buds for blocking sound on planes and found Monster Turbines excellent for that. Very musical headphones with deep bass that stays controlled and fast. But they get uncomfortable over a long flight and popping one out to say 'yes' to a free beer or to a weird meal is a pain in the ear. The weird thing about the QC25s is that, with music not playing, you can hear direct conversation towards and near you but you hear none of the engine drone; whereas with the Turbines, I can hardly hear anything at all even when the music is off.
For casual travel where a light bag is still preferable, then the Turbines are still in but for any sort of a flight or a long train ride - these Bose jobbies will absolutely be slapped on my head. They really did make the flight home much more relaxed than it might otherwise have been.
Target had them set up with a brilliant demo too: you put them on and then activated a video with the sound coming from the headphones. The video shows a bloke sitting on a flight with his QC25s on looking comfy and smug. All you can hear in the headphones is the reassuring narrator, who then tells you to take them off. You do, only to discover that all the while you've had the cans on, the display unit has been feeding a roaring aircraft interior noise to an external speaker... you just couldn't hear that because you'd got your QC25s on. Incredibly effective demo.
UPDATE FEB 2016
Used these over hundreds of hours now during the last year and wanted to report in: the sound continues to be enormously engaging, pacy and satisfyingly detailed. They're fun to listen to, it certainly doesn't feel like a massive compromise as noise cancellers once did.
Despite thousands of miles, by air and rail, and constant hauling in and out of bags and cramped seat back pockets; they look pretty much as new. I was a bit worried the white finish might tarnish but it hasn't even slightly.
Great headphones, still delighted and still highly recommended.

These were the best investment I could have made for traveling, and a bargain at $300 given I have 5 more trans-pacific flights to make by the end of this year.
For you audiophiles out there looking at these, take note: these are not for you if you are looking for huge bass, perfect treble and perfect balance at all ranges. These are not going to blast your ears off with perfect sound. These are for people who want quiet, and very good sound for music and movies. It's kind of silly to ding a product in a review based on a standard that the manufacturer never intended. Bose does not market these that way so you should not expect it. When the phones are turned off, yea, the music sounds pretty bad. Turn them on and the quiet created by the noise cancelling allows you to really hear the details of the audio without having to blast the volume and make your ears bleed. That's what these headphones are all about, quiet for quality sound.

The good: cancels noise as marketed, good sound reproduction as marketed.
The bad: Where do I begin? I have purchased Bose headphones before and was an advocate of their excellent quality, so much so, I decided last year to purchase a pair of QC 25s from Amazon. Initially I was very impressed: the noise cancellation removed the ambient server fan whirring from the office and at home it would provide a crystal clear soundtrack to downloaded movies. However, this was not to last. Four to five months in, the noise cancellation started to falter intermittently and then eventually the right channel stopped working altogether. Having paid a premium for these I was surprised that they broke so quickly.
I went to the Flagship Regent Street store and was given a replacement pair, unfortunately, three to four months later these failed too with the right channel rendered obsolete. Checking forums and other Amazon reviews, it would appear that others have also experienced the same issues as I have. Today I took them back to the Regent Street store only to be told by a member of staff that they could not offer me a refund there and then because I bought them through Amazon! She did offer me a replacement pair, but having already stated that my experience is that they break after three months I declined. She then told me to call customer services, because there was absolutely nothing they could do in the Flagship store to offer me a refund for my defective headphones.
So here I am with a pair of £276 headphones that only work in one ear (the left one). Dear Bose under the Sale of Goods Act 1979 (as amended) goods you supply must be fit for purpose. The ones I have are not fit for purpose, I do hope you will give me a refund. I would have also accepted an alternative item of similar value, but you were so intent in avoiding refunding me that you failed to entertain the notion.

The music quality doesn't blow me away...but then again, I'm not really sure what to listen for. They sound really good. The bass is warm, the treble is detailed but not overpowering. There is a significant difference in sound quality between noise-cancelling and regular mode, but that is to be expected, and you won't get it any other way with any other brand.
NOW. MOST IMPORTANTLY, I tried other headphones. I don't mean that I tried them at the store...I mean that I had friends give me their headphones to try. The most important things to me were comfort (I wear them for long periods of time) and noise-cancelling. Hands-down, these are the most comfortable headphones I have ever put on my head. I could wear them to sleep. Other headphones (audio-technica and Sony brands, specifically) just had no comparison. These are light, surround my entire ear, and I sometimes forget I have them on. They don't make my ears sweat (gross, I know) and there is no irritation. As for the noise-cancelling, they are simply the best. "Noise isolation" is a joke relative to these.
As for the battery life...I've been listening to music for at least four hours a day over the past week and just left them on overnight by accident, and the battery level isn't even low. Trust me, battery life is not an issue.
If you feel weird dropping a lot of money on headphones, you are not alone. But if you are looking to stop noisy office mates, you are also not alone. Like I said, they aren't going to stop the noise...but they will silence them to the point where you really have to focus on their conversation to make out any words. And I'm listening at medium-volume!
The ONLY bad thing I have to say about them is that the microphone and audio controls don't work great with my Samsung Galaxy SIII. I've heard reports of it working with other phones. There is probably a work-around. But let's be honest: if you've read this far, you aren't buying these for talking on the phone. You are buying them to shut people up. And they do it.

Notes/Observations (I am using the VModa M100's as a comparison)
Sound performance - The Bose QuietComfort 25 are nice and clean.... they are neither boomy or bright. This is where they get a bit of an unfair comparison to the M100's which has a unbelievable sound stage. This one of those concepts that is tough to explain, but the M100's just seem to have more of a 3D effect and all of the instruments/tones have greater depth. The Bose are not bad (quite good in fact) but they are no match for the M100's. The sound stage does improve with about 20 hours of break in.
Noise Cancelling - Probably the best I have ever used. The M100s do not feature active noise cancelling (which is the reason for the lower price point). In my book they beat my Velodynes and a few other pairs of noise canceling headphones that I have tried.
Comfort - The fit is excellent and they are not too heavy - however - noise canceling does cause a bit of a (what appears to be) a positive pressure inside the cans. Not a big of a deal, but it can give you the feel in your ears that you are changing altitudes. Some people find this more annoying than others.
Case/Footprint - I love the fact the fold into a neat case that is the size of a small paperback (and it is rectangular). Unlike the M100's they fit very nicely in a backpack or travel bag.
Look - not important to me.... but they look professional. They do not have that hip - going to the club look - of Beats or even the M100's.
Final vedict - My go-to choice of headphones for travel because of their superior noise cancellation and reduced footprint. However, for my day-to-day listening I reach for the VModa M100's .... Honestly, you really can't go wrong with either!
4 1/2 Stars

But, how do they sound? They sound great. The noise cancellation helps to set the foundation to hear what you want to hear and not be in competition with other sounds or noises. You start with a "blank canvas" and you get the most pure of pictures...you see the "colors" you paint unobstructed by competing "colors." The sounds you hear from these headphones are very similar to that illustration. I have other headphones that are more bass driven, but those headphones cover some of the mids and treble sounds that color the music I want to hear. I suppose personal preferences are going to be the driver here, but I am very, very excited about what my ear is being treated to with these Bose QC25 headphones. I am super impressed and excited about a brave new world I've not experienced before.
Comfort and fit are what I would expect from Bose. These are not middle shelf equipment and Bose delivers a finely crafted headset and very comfortably fitting as well. Nothing seems cheap or cost-cutting in my estimation. Bose has also included a nice semi-hard case for carrying the headphones when not in use. The case is surprisingly compact and fits nicely in my backpack and messenger bag. Also included is a airlines input jack converter for the traveler (I can't wait to try these out on a flight as I usually have to crank the volume to unsafe levels to drown out the horrendous ambient airline noise).
Final thoughts: These are the real deal and worth every penny. If I'd known noise cancellation could work at this level, I'd have been all in a long time ago. This is no gimmick folks, Bose is paving the way for me to venture into a whole new experience...one I'm glad to go along for the ride.

After unboxing it and trying the headphones on my phone, I decided to try them out on my computer, which has a better sound card. The sound card is able to toggle between high and low impedance, so I went to check what was the impedance of QC25's speakers. Bose's website didn't help at all and apparently not even the all-knowing Google has any idea what the impedance is. So, I plugged them in on the low impedance setting, which apparently wasn't right because it sounded absolutely unbearable, but I'm also too afraid to try them on the high impedance setting, because it might be just a problem with my sound card and it might fry the circuits of the headphones. At this point I'm stuck with the audio quality of my phone and poorly built headphones.
Also, using them without the noise cancellation turned on is not a good idea. It sounds lifeless and muffled, as if you were listening to music through a speaker with a pillow in front of it.


The long of the short is: I did upgrade. I ended up purchasing the QC25 locally at BB (same price). The factors that I considered in upgrading were: I own an iPhone 6 Plus, the QC25 compact headphone case and more importantly, the ability to listen to the headphones even if the battery dies on you.
Using the Bose QC25 with my iPhone has been wonderful. The mic on the cord has three controls. An up arrow, down arrow, and the center button. Up/down arrow for volume control. The center button for manipulating the controls on the iPhone while listening to the headphones. In the music mode, you can skip tracks, repeat tracks, pause, and more - all from the center button. While listening to the music and a call comes in, the music is reduced alerting you to a call, and you simply hit the center button and answer your call. You can hit the center button to end the call and continue your music. You can also use the center button to engage Siri. If you need to make a call, just hold the button and Siri comes on. Tell Siri what you want to do and go from there. It's simply slick and easy to use.
One of the problems I've had with my QC15 is that I tend to forget to turn it off which results in a dead battery. WHat do I do? I end up going to one of those Hudson stores at the airport and pay an exorbitant amount of money for some AAA batteries. Now, if I forget, I can just use the head phone for music or movies (albeit, no noise suppression) but I am no longer sitting on a plane with a useless headphone due to a dead battery. Granted, it isn't as loud or clear as it is with a battery but it sure beats the alternative.
Others have commented about using this for conference calling. I use it often for conference calls while plugged into my iPhone. Everyone has stated that they hear me loud and crystal clear. All the more reasons I'm very pleased with this set of Bose QC25.
Last but not least, the compact headphone case. It's nice that the right ear cup is designed to fold in so that you can put these headphones in a compact case. It doesn't take up as much room in my backpack. Some have commented that it's not as easy to place your headphones in this case, but I've not had that experience. Very pleased with Bose's well thought out design changes and improvements.
PROS: Design, compact case, intuitive mic controls, compatibility with iPhones, battery options
CONS: None noted.

Build quality- These headphones have a metal outer ear cup, and high quality plastic trim. The headphones band is strong, with premium cloth on the top and padding on the bottom. They are a very well built pair of headphones.
Audio Quality- I'm not an audiophile by any means, but these headphones have amazing audio quality. Highs and mids are highlighted a little, but are balanced with lows.You can find better sound quality at this price range, but these are noise cancelling headphones, and you will be very pleased with the audio quality.
Comfort- These headphones are among the most comfortable headphones I have ever worn. The light weight, soft headband, and comfortable ear cups allow you to listen as long as you want, with out getting fatigue.
Noise cancelling- I'll get straight to the point with this, it is the best noise cancelling you will find in a pair of headphones. It completely cuts out low noises such as airplane engines, air conditioners and traffic. High pitched and sudden noises cannot be totally cut out, but they are suppressed.
Extra info- The headphones come with a very premium feeling carrying case, along with a aaa battery and an airline adapter. Make sure to get the right pair for your device too if you want the in-line audio controls and mic to work.


I have wanted a set of headphones for a while and I decided to try some of the noise cancelling sets. I tried a few and I narrowed my choice down to the QC25 and I was very impressed with the sound quality and I found the noise cancelling switch pretty awesome when using it in the home. The next day after I purchased these bad boys I was going on a long haul flight. The plane started to fill up and as always start to check who is sat around whilst crossing my fingers and hoping that there wasn't going to be any young children or coughers. Obviously its harder to tell the coughers or should I say smokers on an initial look but after 5 or 6 hours when there throats start to clear you soon hear them in their sickly cough. We was just about to take off and the stewardess moved a child and his mother two rows in front and was making a playful racket playing with his Teddy bear. I risked the rath of the stewardesses and popped on my head phones and popped on the noise cancelling button. Wow just wow! it wasn't silence but it was an incredible amount better. I could hardly hear the child playing. I turned off the headphones and qued up a song to play and listened to a song whilst waiting for the engine to power up and then when it did I turned the noise cancelling on and it was absolutely amazing the plane pulled off for take off and I could hardly hear any of the noise from the acceleration or climb and if it wasn't for the vibrations of the plane I could almost of forget where I was. Usually throughout flights I try and sleep but I am frequently woken up and I can honestly say that I have never had as good a sleep on a plane before in my life as I did withnusing the QC25 headphones. I slept for a solid four hours and I was only woken by my wife who had got a little fidgety on the seat adjacent. I downloaded some long tracks of waves crashing and had them playing on low with the noise cancelling switched on and this definitely aided me in my sleep. I didn't just buy these headphones to cancel out noise though. The quality of the music is also top notch. There may be better ones out there but for the noise cancelling side I would definitely recommend buying these.

My assessment is purposely based upon what I consider an ultimate test -- a monaural disc of a 1952 recital by Rosalyn Tureck playing Bach's Well-Tempered Clavier, Books 1 & 2. With the 15s the middle-to-upper notes sounded rather tinny. This does not happen with the 25 -- the notes in question have the "woody" sound of a great piano that they should have; also the piano's base notes are much deeper and richer. I am especially pleased inasmuch as I consider Tureck to be the greatest Bach interpreter of them all, and the Clavier Books are, along with the Goldberg Variations, THE quintessential keyboard Bach. Other classical recordings sound superb, as well.
I will also add that the ambient sound reduction is certainly better. I tested this by standing next to a rather noisy furnace with the sound turned on, but with no music playing. The 15s did block the noise fairly well. The 25s blocked it entirely.
I think those who review equipment like this should provide information about the sound source and the kind of ambient noise involved. As far as I am concerned, those listening to anything other than classical music need not bother to review earphones of this quality at all.

These headphones are, personally, the best you can buy. They look great. They sound great. There built with genuine bose quality. You can't say much more.
These headphones truly do cancel out most of the noise around you. However, it must be said that when not listening to anything, just noise canceling, you can still hear some noises, such as people talking on the tv. But if the noise you are trying to not hear is a more constant and consistent then you may not here it at all. And while you can here some noises, they are so quiet, you may need to stain your hearing to hear them.
The sound quality is great. Most of my songs are digital, and there are times where I think I need a higher quality song download to truly take advantage of these headphones. It is very good. But, when the headphones are turned off, you do notice a slight decrease in sound quality, but for me, at least, I could care less. Meaning I have heard much much worse, trumst me. This is my first pair of truly good headphones, and I'm a slight audiophile.
Build quality is what I would expect from bose, and, quite frankly, for $300. The headphones them selves are made of a high quality plastic but are also capped on the outside with metal. The hinges are also made of metal. The headband and ear cups are made well too. Even the cord is flexible and ever so slightly thicker as well.
They also don't have comfort in there name for no reason. These are truly the most comfortable headphones I have ever worn. I can were these things for an hour straight and not have any pain on my head or ears. The cushioning is just right, pliable enough to be comfy but just the right amount of stiffness as well.
I also ask why people look at other brands because when you want the best quality sound and the best noise canceling technology you should only look at the best. Bose literally invented the noise canceling headphones.
While these headphones are amazing, I must not tell a lie. While more my fault, I am a little sad that these don't work with my phone, I mean the buttons. The box and bose clearly state, " made for iPod, iPhone, and iPad" they also are supposed to work with other phones as well but I must just have bad luck. My phone is a nokia lumia 928 Windows phone. Also, the warranty could be a little longer and a little more flexible for a flagship product. But I'm not going to down grade my rating just for that.
I hope I helped, and hope you love these headphones as much as I do. I hope to update a little later!

As for the sound quality, they're amazing in that regard as well. Although I've never owned $300 headphones before this, so I don't really have anything else high-end to compare them to. But I can't imagine them sounding any better.
I noticed a few reviews on here mentioning one of the ears going out (usually the right one) either right out of the box or very shortly into their lifespan. I have yet to have this issue (or any for that matter). If you are having this issue, make sure your cable is plugged into the headphones all the way. It's kind of an awkwardly-angled port. It has to make a clicking sound or it isn't in all the way.
Anyway, no complaints as of yet. I've only owned these for a week, so unless something goes wrong with them, my general opinion is: BUY THESE RIGHT AWAY! Awesome sound quality, awesome noise cancelling, very comfortable fit, and they feel very durable yet lightweight. I definitely recommend these!

But as things stand, I'm currently on my third pair of them (all replaced under the 1 year warranty) in just eight months of ownership. I always keep the headphones in their case when they are not in use. They've never been dropped, etc. Both of the failed headphone sets had the right earphone go out after similar amounts of use, and I suspect this is due to a short in a wire due to the folding mechanism stretching cables. Bose made me pay for shipping on the second pair, but were otherwise happy to replace both defective headphones.
This is my second Bose product. The first was an expensive pair of in-ear earphones that broke once during the warranty period, and again a few months later just outside of the warranty. Bose declined to cover the cost of replacement once they were out of the warranty. I want to like Bose products, but the construction quality and/or durable design is just not present. I was hoping their highest end headset would be of higher durability, but this doesn't seem to be the case. I wanted to give this product 5 stars, but I cannot do so unless Bose addresses quality issues. When I pay $300 for headphones, I really expect them to last *far* more than a few months.
Pros:
-Very comfortable for long periods of wear
-Decent sound quality
-Amazing cancellation of ambient noise
-Fairly compact when in the included case
-Detachable audio cable
-1 battery is included to get you started
Cons:
-Flaw in design or product quality has led to two replacements in a short period of time.
-$300 (+shipping when they break) is a lot of money for something you will likely need to replace yearly
-Shipping is not paid for by Bose when the product fails

In a room with a loud radio playing, the noise-canceling feature cut the sound by more than 90% of the original sound which makes it actually "deeply-reduced sound" instead of being totally "noise-cancelling" headphones, but again it certainly cuts the unwanted sound/noise way down.
On listening to different music genres, there is a very wide frequency response with an unadjustable booming bass quality to the lower end of the sonic spectrum and clear, sharp upper spectrum sound. The sound quality must be adjusted, outside of the capability of the headphones, by using the transmitting source equalizer or pre-am functionality, if available. The stereo separation is sharp and the sound quality is high, revealing some music sounds that were hidden or masked when listening to normal speaker sound across the room. When listening to music, the noise dampening feature is still in effect, playing music while lessening sounds outside of the headphones.
These headphones come with a specific blue-colored audio 58 inch long cable which has a volume control pod near the user's hrs chin area that includes a microphone, separate up and down volume buttons and telephone center call "off" button.These are excellent headphones are smaller than many headphones used on home audio systems and outstanding for reducing noise or listening to music or receiving phone calls. Bose quality audio product. My Highest Recommendation. Five QUIET Stars! (I pair of Bose QC 25 Acoustic Noise Cancelling Headphones, 58 inch long headset to transmitting source audio cable, a two-pronged jack for Airplane audio plug-in, included AAA battery, and zippered soft protective carrying case. 1 year warranty for original purchaser.)

Any suggestions from other users?
**************UPDATED***************
I didn't want to return them due to the fact that the sound is great and they are really confortable. So, after researching for a couple of days I found this:
"We have found that connecting the cable to the headset may require an extra amount of pressure to properly seat into the earcup. If you carefully, but firmly, press the connector into its socket at the earcup until a slight click is felt the issue you have described will be resolved"
So, if you pressure enough till the click is felt, you will end with the jack receptical problems.
I will update in a couple of months to see if the right ear brreaks.

These are immensely comfortable, and definitely more compact than the previous model. However, without turning on the noise cancelling I already can't hear very much. The only thing turning on the noise cancelling does is filter out resonating low hums like engine noises and make sounds generally a bit harder to hear. This would be great if I were in an aeroplane. However, I'm autistic and I need to use these for any frequencies which are consistent, so high pitched noises are sometimes lessened but not gotten rid of entirely.
My main problem with these is that I find it hard to hear people, and also hear myself talk when wearing these so I lack volume control of my own voice, but I hear what's going on in my head (eating, breathing, swallowing) much much louder. I was hoping at the price that I bought them, that I'd be able to just filter out ongoing noises like echoes in a large hall but still be able to perfectly hear everything distinct, like someone talking directly to me. Unfortunately that is not the case.
I'm still definitely glad I bought these. They have an excellent sound quality (especially when the noise cancelling is on - it's quite average/low quality when it's off), and so I love playing immersive video games and listening to music with these. I also use these in dire circumstances of lots of sound stimulation, and they definitely help, but they don't do as well as I was hoping.

There are three minor shortcomings. The first is that you can't charge them off of a USB cable; instead they only take AAA batteries. This means while traveling you either have to carry extra AAA batteries or bring a AAA charger. The battery life is impressive; if you use them 8 hours a day a single battery will last several days, but it's easy to forget and leave them on over the weekend and come back on a Monday to a dead battery. The second shortcoming is that the bass is only adequate; at this price I would really have hoped for even more bass. The third shortcoming is the price, which is quite high and price alone may make you consider another model even though you can't find better at any price.
Comparison to the QuietComfort 15 (aka the previous best noise cancelling headphones):
If you already own a pair of QC15 these probably aren't worth the upgrade, but if you are choosing between the two these are better. All reviewers agree that the noise cancelling of the previous model Bose QC 15 is the best noise cancelling you can get in a pair of over the ear headphones. Many reviewers thought that the sound they produced was just OK. I compared the two side by side in a loud cubicle environment. I was equally impressed with the noise cancelling of both models, they managed to greatly reduce outside noise, especially constant noise like computer fans. I think the QC 25 also look a bit more stylish than the QC15, in a low key way. The styling definitely doesn't say "look at me" like pair of Beats headphones does. The sound on the QC25 is improved, with better bass (but only adequate), and more distinct sound in busy music. The overall impression is that music sounds richer and fuller. I heard things in music that you just couldn't hear with the QC15. Another win for the QC25 is that if the battery dies on the QC15 you can't listen to music at all, without a battery the QC15 is useless. With the QC25 you can listen to music even though the sound quality is a notch lower and you lose the noise cancelling. Without a battery the sound quality is still higher than a low end pair of headphones. Not working at all with a dead battery is probably the number one shortcoming of the QC15 and it's nice to see it fixed in the QC25.
Comparison with Sennheiser:
I have a pair of Sennheiser noise cancelling over the ear headphones. These have better sound than the Bose QC15 but less good noise cancelling. Comparing them to the QC25 I have to say that the QC25 come out on top. The audio of the QC25 is now better by a hair, and the noise cancelling is clearly superior. It used to be that you had to choose sound quality (Sennheiser) or noise cancelling (Bose), but now the Bose QC25 wins on both.

Bought and used regularly over the 3 weeks, before taking advantage of Bose's 30 day trial by giving them back for refund.
I really couldn't get on with the sound quality. Noise Cancellation is excellent and if that's all you're buying them for, then fine. But do not expect anything in the way of depth of sound. There is none. I don't expect or want "Beats" levels of bass, but some would be nice to at least reflect the way in which a track was originally recorded to be heard. Used with Spotify or iTunes on either a Macbook or iPhone 6, I find the volume has to be set almost to maximum as there is very little range adjustment. The sound itself I would describe as "toppy". Lots of treble which is extremely unnatural and uncomfortable to my ear. It's on the edge of distortion.
The principle job of these "cans" is to cancel sound, so I expected sound quality to be compromised a little.....But for £270, I expected some sound quality.
I've now replaced them with the amazing Parrot Zik 2.0 noise cancelling headphones and haven't looked back. Far superior sound. Fully adjustable soundstage via an iPhone or Android App with the adjustments you make on the App stored directly to the headphones so you can plug them in to any device. Material quality is far better than that of the Bose, they're lighter and feel better. Noise Cancelling is just as good and can be adjusted. They're bluetooth and have built in microphones so that you can take phone calls. Take them off your head and they mute automatically. Used on certain devices (mainly iOS) you can tap the left earphone to start/stop/forward/rewind tracks and answer / reject calls. They're just lovely in every way and the same price as the Bose.

And the sound quality is pretty amazing. I played with the equalizer and audio effects on my phone and laptop and was able to get stellar clarity and clear bass. I ran through several old albums just to hear things I'd never heard in that music before. The vocal harmonies, in particular, stood out really well with these headphones.
Some folks think Bose is too bassy, but I like the bass turned up, so no issues here.
The carrying case is nice and I also like the white/blue/brown color scheme.
I tried these in conference calls and didn't say a word about using these headphones and nobody said they couldn't hear me or anything, so I guess the microphone works well. It's sort of strange to have the noise cancelling on while speaking on a call, though, because you feel like you need to yell and you're never quite sure how loudly you're speaking.
