Customer Ratings & Reviews

Bought these for my kid for his birthday and he absolutely loves them. They're very nice and comfortable, amazing sound, bass, touch controls and battery lasts for a loooong time. It's a no-brainer

I’m digging these Sennheiser Momentum 4 headphones. My go-to cans the past few years have been an older set of extra-bass headphones. They’re my go to because the bass is really deep, pronounced and powerful and I listen to a lot of bass heavy genres. But my old cans are starting to show their age and I’m experiencing cut-outs and other wear/tear related issues. I’ve tried several sets of headphones and buds from just about every major manufacturer over the past year looking for a suitable replacement. All the sets I’ve tried simply had okay bass. The bass was acceptable or even good but was not fantastic. These are the first set to come close to matching the deep resonating, tooth-vibrating bass of my go-to cans. They aren’t a match against my older set if I max out the bass levels through the companion app, but I seldom listen at that high a bass level anyhow. That much bass quickly becomes overwhelming, painful to my ears, and gives me a headache after a while. These Momentum 4 have tight clean bass that hits fast and hard, but they can also handle deeper sub-bass when required. They basically sound like my older cans with the bass set at my normal moderate listening level. They give me all the bass I want with none of the discomfort I don’t. That’s the difference maker between these and the other potential successors. These Sennheiser reproduce a wide range of bass faithfully and provide proper justice to strong bass drops at any volume or bass level without compromising any sound quality. The highs and mids are also faithfully reproduced. Music is well balanced with a warm sound profile with everything working in sync and no sounds overpowering or drowning out other sounds. When combined with the ANC in a good listening environment it creates an excellent soundstage. Operation of the headset is subjectively easy. It depends on comfort level with swipe driven gestures. These gestures are performed on the right cup. I’m personally not too good with out of sight controls, so I use the phone and app for all controls. But for those who are proficient with cup mounted controls, they seem relatively easy to use. I do occasionally use the volume swipe gesture but not much else. Another area where the Momentum’s sound quality really impressed me is phone calls. Callers sound even better on these Sennheiser cans than my house phone. Voices are clear, loud, warm and rich, just like the music. It feels less like a call and more like I’m actually in a room with the person on the other end. I’ve been told my voice is also loud and clear on the other side. These are the first headset of any type (gaming, business, music) that I actually prefer and enjoy using over other communications devices. I’m considering trying these in place of my business headset for one of my upcoming video meetings. Fit and comfort are both excellent. The headset is lightweight and fits perfectly on my large head with no discomfort or excess pressure. The cups are silky soft and envelope my ears in warm buttery soft leather comfort. The headband is also soft memory foam that rests gently atop my head. The set is light enough for me to wear and listen for hours without them feeling heavy or uncomfortable. They also fit well with glasses. I’ve used them with thick frame sunglasses and thin frame prescription glasses and both temples were comfortable when worn underneath the cups. The headphones are also comfy when reclining on my back. They have an automatic on/off feature that powers the Momentum on when the cups are turned inward for wear and powers them off after 15 minutes of inactivity. These settings can be enabled, disabled or customized in the Smart Control app. The Smart Control app provides many other useful features like EQ with presets and manual sliders, ANC adjustment, voice and sound adjustments for calls, firmware updates and more. The app is both easy and intuitive to use and available for both Android and iOS. The Momentum’s build quality feels solid and well-constructed. They don’t have any excessive flexing nor any observable quality issues. The set ships with a firm protective carrying case. I like that they lay flat inside the case and don’t fold in all sorts of crazy directions like other high-end headphones. The case also easily holds the USB-C charging cable, 3.5mm audio cable and airplane audio adapter. Despite finding so much good with the Momentum, all is not perfect. The Momentum’s ANC is definitely a step behind the competition. I have a cheap set of ANC equipped beater cans that block more external noise than these. The Momentum’s ANC seems only suitable for low to moderate noise. It doesn’t really block a lot of noise in loud or noisy environments. They have a transparency mode to allow ambient sound in, but I almost never need it unless music is playing. I can already pretty much hear everything around me when the music is stopped or at low volume. The ANC does enhance the sound of music by removing excessive environmental sounds. That’s why I made the earlier comment about using ANC in a goo listening environment. Weak ANC was the only flaw I could find with these otherwise very impressive headphones. I have officially found my replacement and I’m sure my aging ears will thank me for finally abandoning the mega-bass profiles. The Momentum sound excellent, feel good, are easy to operate and they even charge easily. A five-minute charge can provide up to two-hours of listening for those last-minute headphone emergencies.

Awesome sound quality. Lots of features and I love the mobile application that goes with this device.

Love these cans they are just Great exactly what I expected. Great music and very good noise canceling.

For the longest time, I was married to Bose headphones. Then Sony came along and they became my go to. Now, with the Sennheiser Momentum 4, I have a new favorite set of cans. To be honest, we really are talking about a difference in degrees. All three of these brands sound great and have really good noise canceling. So I look to design, features, ease of use, and most importantly, comfort. The Sony XM5’s were my favorite, but the Momentum 4’s have supplanted them. While the audio quality is frankly, similar, the Momentum 4 wins on value and comfort (although the Sony cans are comfortable to wear). IN THE BOX Inside the box you have the travel case. The case is plenty sturdy to be thrown into your backpack without worries that they’ll get crushed. It has a nice zipper that’s enclosed tightly in fabric (so it won’t get damaged) and holds everything you need. Inside the case are the headphones, airplane two prong adapter (people still use these?) an aux cable to plug directly into an AUX port and a USB-C charging cable (thank you for the latter). And everything has its place in the case which keeps everything organized and there when you need it. The ear cups also have stickers on them with the touch controls, which I think is great. You can of course read the manual, but it’s nice just seeing the controls right there on the headphones itself while you learn to use them. SETUP AND THE APP When I took them out of the case for the first time, they automatically turned on and went into pairing mode. My Samsung phone immediately asked me to pair them. I can’t recall such a seamless Bluetooth pairing process. In any event, the process is like any other; once they’re on, you hold the power button for approximately 5 seconds to put it in pairing mode. I then downloaded the Sennheiser “Smart Control” app. (after the headphones were connected). The first thing I was prompted to do was to update the firmware. Which should come as a shock to no one, as most devices nowadays require a day one firmware download. But the process was relatively seamless and only took about 10 minutes. The app has a nice and easy to understand interface. There’s the equalizer where you can adjust the bass, mids, and trebles. There are about 6 different Sennheiser presets (or you can create up to 3 custom presets). There’s also an option for “Bass Boost” and a “Podcast” mode that enhances vocal clarity. I could tell a difference with the podcast mode, but it requires you to go into the app to change the setting each time and is too much of a hassle (not to mention I forget to do it). You can also adjust the active noise cancellation. There’s only 3 options, Off, Auto and Max. I just leave mine on Auto. I even leave it on “adaptive” so it adapts to my surroundings. Lastly, a feature I wish more over the ear headphones would incorporate is “sidetone.” For those that don’t know, sidetone is the ability to hear yourself. It’s helpful when wearing noise canceling headphones especially, because it is sometimes difficult to hear how loud you’re talking. SOUND QUALITY/PHONE CALL QUALITY Look, if you’ve used a new model of Bose or Sony headphones, you can expect a similar level of sound quality. These headphones have rich bass, and crisp mids and highs. They really sound terrific. Whether it’s classical, hip-hip, or podcasts, I was more than satisfied with the sound quality. Making phone calls is arguably where these outshine the competition. Primarily in the sidetone arena, being able to hear yourself talk when speaking to someone on the phone. I had no complaints how I sounded to others, and I certainly heard the person whom I was talking to with great clarity. OTHER FEATURES/NAVIGATION The navigation is similar to the Sony headphones, where the cans are touch sensitive. You can swipe up and down to adjust volume, left and right to go back and forward on song selections and you can even pinch (like zooming in on your phone) to adjust the noise canceling. It’s easy to learn and nothing that hasn’t been done before. What I really appreciate is the auto off and on feature. Sony has a feature where when you take the headphones off your head (to say, talk to someone) the music pauses. The Momentum 4s take it to the next level. I never turn them physically on and off, I just put them on my head and they turn on and automatically connect to my phone. Obviously hitting a button to turn them on is no big deal, but this is a nice touch. The noise cancellation is pretty good. I’m not qualified to say whether it’s “better” than Sony or Bose offerings, but I know that it can drown out children playing at a park (the noisiest place I could find to test it). Last, comfort. The Sony XM5s have been my favorite set of over the ear headphones, primarily because of the comfort. What I mean by comfort is the feeling you get that you’re not wearing them, and they don’t cause any pressure or discomfort from wearing them for long periods at a time. I’ll admit, my ears do get hot after wearing them for a long time, but that’s just me wearing any set of over the ear headphones. Eventually my ears get hot and I perspire around the cushions; after wearing them for an extended period of time. CONCLUSION Honestly, if you’re in the market for ANC headphones, the Momentum 4s should be on your short list Especially at their price point. The sound quality and noise cancellation is on par if not better than the household names of Sony and Bose and Beats. I’ve been really impressed with them, and for reasons that are hard to explain, they’ve become my go to over the ear headphones. Plus they have consistently performed well, they’ve been extremely reliable in connecting to my phone, pairing new devices, and simply overall comfort.

Cover on the headphones started to separate from the headset. The ear cushions started to become discolored, they look awful.

with a recent trend of getting used items from Amazon, I decided to give best buy a chance. Wow! factory sealed, clearly unused, ready same day and 10$ less expensive! thanks Best Buy

The sound quality is good. The comfort level is average. The connection is not very flexible. Overall it is not bad.

good elephants slightly muffled the same quality because closed back headphones but pretty good

I have always been a fan of Sennheiser. Most of the high-end audiophile quality headphones I have ever owned have been Senns. I still have my HD650s and I used to have a pair of HD800s back in the day (and I sold them for almost what I bought them for)! I appreciate that Sennheiser makes outstanding headphones that tend to be very grounded and neutral as their baseline. Usually any deviation from that pure neutral sound has been through the design of the earcups and whether or not they are open or closed back. That being said, I HATED the Momentums when they first came out years ago. While I thought they looked OK, I actually didn't like the knob and open frame on the sides. Back then, I still had some hair on the sides of my head and I would actually get it caught sometimes in the frame and get pulled out! I didn't need any more help ridding myself of hair on my head. Back then they weren't ANC headphones and there were so many other offerings from Senn, that I didn't bother with a pair. When ANC headphones started being made by a lot more than just one or two manufacturers, I already had a pair that I really liked and I stayed with them from the XM1 version through the XM3. My headphones are starting to die (the problem with all closed system batteries), but I got a heck of a lot of use out of them. Either way, I wanted to see now what Sennheiser had come up with now that they have noise cancelling AND got rid of the design I didn't like (even though my hair is now shaved off). I really dig these new Momentum 4s and I'll go through a few of the feature sets to let you know what I think. Styling/build: While perhaps more plain and not being able to fold up into quite as small of a case, I prefer this styling far and away over the earlier models. The fabric covering to the headband is nice, the armatures are solid, and the padding is top notch, especially for a guy who has lost his natural padding on the top of his head. The only thing that kind of throws me off is the depth of the earcups, they are thick. I'm sure that is to allow more room for the battery, and if that is indeed the case, I am completely cool with it. Controls: My previous ANC headphones also used touch gestures but they could be pretty wonky at times. I can't tell you how many times I wanted to just raise or lower the volume, and instead ended up changing the track. The touch controls have been much better on the Momentum 4s. I have yet to accidentally make a change I wasn't looking to make. Software: I am rarely impressed by the app that many electronic devices have, especially headphones, but I have to hand it to Sennheiser, they did a really nice job with theirs. Incredibly easy to make changes but what really stands out is their Sound Check mode that lets you adjust the sound signature more naturally than just fiddling with sliders. It is almost like going to the optometrist with the better/worse kind of testing. The App offers you several sets of three different sound-scapes (while you are listening to the song) and you pick the one you like best. When you are done it sets up the equalizer and you can save it as a profile. Easy-peasy. Now some of the choices don't seem too different from each other (also kind of like the optometrist) but it's there if you really listen. Another software item that is both nice/annoying is the firmware update. I've had these Momentum 4s since they came out a week ago and I already have had two firmware updates. While it is cool that Senn is feeding these updates to make the headphones better, they kinda stink in that the update process take anywhere from 25-30 minutes! Not sure why it takes that long, but hey, as long as they are making my headphones all the better, I'm really not going to complain. Accessories: The hardcase is nice but the cables are just 'meh'. I would like to see an audio cable with a little bit better strain relief and thickness. If you were going to use these plugged in, I don't know how long that cable will last. The charging cable is good, but nothing to write home about. Supposedly you can use a USB-C to C cable (not included) to do audio from things like iPads but I did not test this out. Comfort: Both the headband and earcups have a really nice padding on them. I would have liked perhaps a little more on the headband, especially since the headphones don't need to be able to fold up. It's fine now, but I anticipate the headband padding compressing a bit over time which will impact how long I can listen without breaks. Sound: What really matters and I have ZERO complaints in the sound department on the Momentum 4s. They have the neutral soundstage that I prefer and all of the music genres I listen to (which is most of them with perhaps the exception of Bluegrass), sounds on point. There is also no eardrum 'pressure' from the active noise canceling. A lot of times I also just use ANC headphones to just give me a quiet room when stuff is going on in the house or in the neighborhood. The Momentum 4s have an outstanding level of passive noise cancelation just from the padding and fit, but having ANC on REALLY does a nice job of giving me some peace and quiet so I can read (or take a nap in my chair). The ANC is just as good as any other of the top players and I was not able to even detect some of the hiss that you sometimes can hear with noise cancelling. Phone Calls: I don't call people much nowadays but I do make a weekly call to my parents. I always wear earbuds/headphones when doing this because my dad tends to ramble and sometimes I surf the web while he is talking (and can't really hold a phone). I normally wear my earbuds from a certain fruit company everyone knows, and my parents never commented on the voice quality but when I called them a couple days ago using the Momentums, they actually asked what I was doing different because I sounded so much clearer to them. So now the Momentums are going to be my headphone of choice for doing calls from now on! Battery Life: Almost silly the amount of battery life in these things! I have been using them for music listening several hours a day for almost an entire week with ANC on, did a 40 minute call with my parents, and used them for about four hours just as a 'quiet zone' while reading. The battery life is still showing 80%. I think I could probably charge these up for a weeklong vacation somewhere and not have to charge them again until I got back home! That would be with the flight and the sitting by the pool/beach all day! Whatever Sennheiser did to maximize battery life worked like a charm, and despite this battery life they don't feel any heavier than other ANC headphones with HALF the battery life! Bottom Line: The Momentum 4s are a phenomenal set of Active Noise Cancelling headphones, completely on par with the other top ANC headsets. Everything combined together makes them, in my opinion, the best of the current crop of ANC headsets. I don't see how anyone can be disappointed in these cans.

First, Sennheiser is a well trust brand in my tech/media circles so I had decent expectations for these, and they were met for the most part. Here are some basic pros and cons: - Good noise cancellation; not the best as I have another well known brand that is better, but they also cost more too. - Bass and sound is very precise and crisp - Light and modern design ; they are not big and clunky - Amazing battery life ---- I didn't even charge these the first couple of days and they lasted! CONS - The touch detection on the sides are a bit too sensitive. If I even wave my hands near them, the sound stops; this happens ALL. THE. TIME. - The auto power mode has become a nuisance; they turn on anytime they are moved, which causes my phone to connect to them at random times - Re-pairing these with a new device (so my husband could use them) caused them to disconnect and forget about my device and I have to reconnect it later. No doubt, these are quality headphones and do the job very well, but with the quirks, the random shutoffs, and connectivity issues, at THIS price point, there are better options that don't cost a ton more.

Sennheiser's newest Momentum 4 Over-Ear headphones return their well known audio quality with a touch of modern styling. The Momentum 4's include a nice cloth-feel carrying case that included more goodies inside. Along with a quick tip manual, a USB C cable, aux cable, and 2 male prong aux to female aux adapter (for flights) were included with the headphones. After previously owning a pair of Sennheiser headphones during the early craze of the Beats days, I knew to expect outstanding audio quality and comfort. The earcups are soft and while the can make the outside of your ears sweat a little, were comfortable enough for me to be worn for hours at a time without ear strain. In addition to the comfort, they truly sound amazing and immerse you into what you're listening. From the blows of fighting to the wind blowing when watching the anime Attack on Titan, I really was in awe of how I could hear every detail in each scene. The bass trembled when buildings were toppled. Dialogue was crisp. As for music, highs were well pronounced and did not sound harsh. Lows were smooth and did not overly engross the music. To put how well these headphones sounded in perspective, I usually do not like to exclude myself from the outside world by drowning out outside noise with headphones. After wearing them for several hours, I am brought back to wanting to experience the immersive audio again. In addition to the thrilling audio, the Momentum 4 has outstanding battery life. According to Sennheiser, it is able to last 60 hours on a single charge. In my testing, I found the same. After using them for several hours a day (1-3 hours each day, sometimes less or more) for several weeks (not days, WEEKS), they performed amazingly and it wasnt until the beginning of the 4th week I had to charge them. WOW, crazy battery life. Another thing to also note is audio can be played wired without the need for the battery. If the battery does die, you are still able to play music wired via the aux port. Sennheiser added touch sensitive controls to their newest headset and included them on the outside of the right earcup. Actions include control for audio, calls, and noise cancellation. One of the actions while listening to audio is by tapping on the surface on the outside of the earcup, audio can be played and paused. Another action that can be done while listening to audio is by swiping up or down, the volume can be raised or lowered, respectively. One last action I would like to mention is when on a phone call, is by swiping to the left or right, the call can be ended or answered, respectively. I did find these controls helpful and did not find it easy to accidentally do any of these actions. Lastly, I also liked how Sennheiser incorporated for audio to be paused when the headphones are removed (setting can be changed from the Smart Control app if preferred otherwise). Sennheiser also has an app called Sennheiser Smart Control that can be downloaded from the Android or Apple app stores. This app allows you to control audio equalizer settings, update the firmware of the headset, a Sound Zones feature, Active Noise Cancellation settings, and a Sidetone feature (for adjusting how natural your voice sounds during a call). Right off the bat after opening the headset, there was an update that needed to be performed and the only downside to this was I found the update take over 40 minutes to install (Sennheiser did state before the update it could take up to an hour to complete). In the app, a cool feature I noticed was how you can set "sound zones". This lets you customize audio equalizer settings depending on your location. When you step into your "sound zone", your audio will automatically adjust to the setting you set in the app. Other than the amount of time it took to update the headphones the first time, the only other downside I found was in the new design Sennheiser incorporated in the headphones. The earcups are not able to fold in nor the headband and become more compact for storage as compared to the Momentum's previous iteration. They are only able to be stored in their U shaped position. Overall, the Momentum 4 sounds amazing and made me fall back in love with over-ear headphones. They sound great, are comfortable, and have new useful features that allow for control of audio and calls without having to touch your other device. I recommend them to anyone looking for quality headphones that will last them for years to come.

Havent tested longevity, but sound quality and battery are amazing. Very comfortable too. Every sound is crisp and clear, even with a lot of noise pollution or a when playing hectic audio. Definitely the best multi purpose headphones I've tried. Good for music, gaming, videos, movies/shows, and pretty much everything Some connectivity issues though. Likes to connect to multiple devices at once and suddenly mute one or the other. Its a pain to disconnect them and I often have to turn off bluetooth so they dont reconnect. I've also had them suddenly cut out for about a second or two when the device is right next to the headphones. Its strange. Otherwise, they're great.

The Momentums are comfortable to wear with the leather around the ear pieces being very soft and the on the underside of the head band Sennheiser used a soft material there as well. The sound quality is great for music, movies, and audio books. I had no problems connecting the headphones to my phone, but did have to make multiple attempts to get them to connect to my TV. I’m not sure why there was a problem, but eventually they successfully connected. I also updated the firmware which took around 45 minutes. The update was successful the first time around. The headphones have active noise cancelation with can be controlled through the Smart Control app. Setting it to adaptive didn’t seem to work as well as setting it manually. When set manually, you can use a slider in the app which lets you adjust it to hear more of the surrounding environment or less. The active noise cancellation worked well when manually set to a higher setting compared to setting to adaptive. You also have a sidetone option which can also be set with a slider. This adjusts how natural you voice sounds on phone calls. You can set Sound Zones within the app which allows you to have custom sound settings based on location. When used, it will automatically change the sound settings based on your location. This is the first time I’ve come across this kind of feature in headphones. The app also allows you to see the battery level, enable/disable On-head Detection, Smart Pause, and auto power off timing. It comes with a case, USB-A to USB-C charge cable, audio cable, and airplane adapter. Something to note about the audio cable is that on one end it is 3.5mm standard plug, but on the other end the plug is smaller. The female port on the headphones takes the smaller end which is not the typical size of 3.5mm. I would like to have seen Sennheiser use the standard size port instead of something smaller. The controls are on the right side of the headphones. There is a button, led indicators, USB-C charge port, and the small headphone cable port. You also use controls by gestures on the right ear piece. The gesture control is helpful, but for some, it will take a little time to get used to using them. I think the Momentum headphones are a great addition to Sennheiser’s headphone lineup. The app and features are definitely a plus. I’m enjoying the sound I get out of these and would recommend them if you are wanting headphones for music, audio books, movies, etc.

Overall these headphones are fantastic, and of course they have the great sound Sennheiser is known for. I bought these to upgrade from my Sennheiser PXC 550-II, and what a great upgrade. The PXC 550-II are great, but these new Momentum 4’s are just that much better. The “pinch to zoom” type control on the side of the headset to adjust the level ANC/Transparency is by far the best added feature. Now instead of all or nothing you have control over how much or how little of outside sounds you want to hear inside the headset. 60 hours of battery life, and yes they really do last that long, i used mine for days before i had to put them on the charger. Also we finally move to modern times with a usb type C port. The newly revised smart control app is a major upgrade from the older one, plus it finally works on iPhone, for the most part haha. Some say the minimalistic design is a downgrade from the retro inspired style of the Momentum 3’s, but as for me i prefer the minimalistic design. I feel as though it makes them more casual where you could wear them to places like a gym and you wouldn’t feel like you stick out as compared to everybody else. The earcups feel great, as well as the size adjusting is nice and smooth, and fit my rather large head with ease. One negative i have though is while they have earcups that turn to lay flat they do not fold up into the headset for compact storage anymore, though they do make up for it with a very nice hard shell carrying case. 9/10 for me and i highly recommend these for anybody looking for great sounding headphones, with top quality ANC, and very long battery life. One of the very best headphones on the market at this time.

The sound quality is great, I listen to a lot of indie, punk, and metal. The ANC is pretty good, although you need to use the app to interact with that, and the app leaves a bit to be desired but is not horrible. Battery life is really good, I am a full-time college student and spend a lot of time with these on and have not dealt with them dying on me in the middle of the day. These are really comfortable. They're not heavy. They don't have an extremely tight hold that hurts my ears, but they also hold on tight enough to maintain a seal around my ears.

Sennheiser has done it again; they’ve improved upon their noise cancelling wireless headphones with a new look and Adaptive Noise Cancelling technology in their MOMENTUM 4 Wireless over-the-ear headphones. The MOMENTUM 4 are the newly released version from Sennheiser and they have added even more user-friendly features than the previous versions while improving on their noise canceling technology. What’s in the box - The headphones ship with a great zippered carrying case, a USB-C charging cable, a 3.5mm audio cable for wired connection, airplane 2.5mm cable adapter and instructions/paperwork. The headphones fold flat to fit in the case which is a good size for traveling. They fit perfectly in the outside pocket of my backpack used for work and travel. The earphones were fully charged out of the box, so all that’s needed to get started (optional really, as they headphones will connect to your Bluetooth device anyway) is download the Sennheiser Smart Control app and customize the earphones. Some of the features are active at download but you need to create an account to access all the app features. There was a firmware update available for the headphones and it updated once they were connected. This took about 30 minutes. Smart Control App - it's a great tool for taking advantage of the many available settings these headphones provide like Connection Management, Equalizer, Sound Check, Sound Zones, Active Noise Cancelation, Adaptive NC Setting and Sidetone for phone calls. Connection Manager does exactly that as it lists your BT devices for connecting. One of the advanced features of these headphones is they can connect to 2 devices simultaneously. The Equalizer provides a handful of presets and can also be customized to the user’s preferences in Bass, Midrange and Treble. There’s also Bass Boost and Podcast sound modes to select. Sound Check lets the user selected from different sound options to create additional Equalizer presets. With Sound Zones the headphones can be set up to use specific sounds settings based on your location. The Active Noise Canceling setting can be set between ANC and Transparency based on user preference or can be set to Adaptive which will automatically switch the NC depending on surroundings and level of noise. Sidetone changes the sound of phone calls. My headphones came set to 50% and calls sound amazing! Fit and Function - The first thing I noticed when putting on the headphones was the plush feel of the ear pads and the headband. The cushy memory foam on the earcups allows for hours of use with no hot spots. The headband is not quite as plush as the earcup, but again, no hot spots or discomfort after hours of use. Adjustment of the earcups is easy with the slide bar to lengthen and the earcups rotate for a perfect fit. The build quality is exceptional, I expect these headphones to last for years to come. Cloth accents on the headband is also a nice touch. The headphones can be managed through the Smart Control app or with hand gestures on the right earcup. The single power/BT button is also located on the right earcup. Press and hold it for 3 seconds and you’re ready to listen to your favorite music or take a phone call. Pause/Play, Volume and phone calls can all be managed with finger gestures. It takes a couple tries to get them dialed in, but what a great feature. Music is paused when the earphones are removed and restarts automatically when put back on. Sound Quality - The sound quality is top-notch right out of the box, but the Smart Control app gives the user the ability to customize settings based on their preference. I did create my own Equalizer pre-sets and added the Bass Boost and wow, just wow! Quality sound as expected from Sennheiser! I messed around with the Adaptive NC setting and other features and found I liked setting the NC level to full ANC. That would be one area I felt these earphones fell a bit short compared to similar earphones. Noise Canceling was good, but not great. I use headphones when mowing the lawn and the MOMENTUM 4 just couldn’t block out the all of the mower noise. Phone Calls – This is an area the MOMENTUM 4 really shines. As mentioned earlier the Sidetone feature was preset at 50% and everyone I talked to said it sounded like I was right next to them. On the headphone side, sound was clear and very rich, not crackly like some headphones can sound. Top-notch in this category! Battery Life – I fully charged them upon receipt and after multiple days of use, they are still at 80%...this absolutely crushes the battery performance of my other NC headphones. And on top of that, there’s a quick charge feature as well. Worrying about battery life is completely off the table based on my experience to date. Pros: - Build and Sound Quality is Top-Notch - Ease & amount of sound customization and functions with the Smart Control app - Earcup Touch Controls - control your music, pause or call without ever touching your phone - Fit and comfort is outstanding, no discomfort even after hours of use - Taking Phone Calls – Best phone sound I’ve ever experienced, even in a crowded office - Battery life is exceptional - Great Carry Case for traveling and storage - Automatic On/Off feature Cons: - Noise Canceling has a little room for improvement…but sound quality makes up for this The Sennheiser MOMETNUM 4 Wireless Noise Canceling Over-the-Ear Headphones are one of my new favorite devices and would 100% recommend them to anyone looking for great noise canceling, comfortable & stylish and function-packed headphones.

I bought these for dual purpose - Teams Meetings at work, and for music. The good... The sound is great, nice bass, crisp high and clear mids. The sound cancelling is fantasic. Very comfortable, I can wear them for an 8 hour shift with no problems...no pressure on the top of my head or ears getting all sweaty. Battery life if great - I know I can go the whole work week on one charge. Now the bad - and I think it's mainly due to the software. The touch controls - these can stop responding, I then need to essentilly reboot them to work again. The touch controls can get a bit flaky, for instance double touching them should turn noise cancelling on/off but they can get into a state where it tell me "mute off" or "must on" but in reality, it kills the audio so I can't hear anything. Reboot to correct. Connection will sometimes drop...maybe 1 or 2 times in a work day. Usually in this case the "press and hold" option on the touch pad will reconnect. This happens with work laptop and my cell phone so that leads me to think this is related to the head phones. The touch pad might be impacted by hair, or clothing...but I have no hair that would impact that and I usually wear colarless shirts at work so that is not an issue. Maybe it's caused by random head movements? Maybe someone can tell me if I can a defected set? If so, I'd appreciate it...thanks

The unit I received with my initial purchase of these headphones had issues. If your headphones sound like they are not working evenly between the ears and turning the ANC on affects 1 ear more than the other, you need to return your unit as this is a flaw and not a feature. I exchanged my faulty unit and received a properly working unit which has been operating properly since Fall 2022. My experience with my good unit has been enjoyable. I also own a pair of Sony WH-1000XM4's. While the Sony unit has better active noise canceling, the sound and fit of the Sennheiser Momentum 4's are far superior. Sony headphones have always had a narrow sound stage for me with a sound signature like I have a couple of tin cans strapped to my ears. If all you listen to are Sony headphones you'll never hear the difference, but when I put on my Sennhesier headphones, the level of comfort and clarity of sound was a drastic improvement. Music is much more enjoyable and I can wear these headphones for hours at a time without ear fatigue despite my massive dumbo ears. And the battery! I can use these headphones for almost a full week everyday for 8ish hours and still have charge left over. Whatever Sennhesier has done to accomplish this has set a new standard for what you should expect from a top level set of ANC headphones. Overall I would say they are a good set of headphones to own, and an even better deal if you're able to get them on sale. Look for a deal and it will be well worth your money.

The sound quality is Very Good to Excellent. There is sufficient Bass for most discerning audiophiles and in my opinion only the most extreme bass enthusiasts will require more. That being said, with the EQ that Sennheiser provides through their app... MOST people will be able to tune these to accommodate ALL of their listening preferences. They can be played loud enough to border on painful at full volume... but there's really (IMHO) no good reason to have to push ANY Quality headphones to their maximum limit. Bluetooth works extremely well and can be connected to multiple devices at once. When my phone rings it stops playing audio from my TV/PC, and with a tap on the right ear, allows me to take calls without futzing with them. The color is a deep dark blue which I find quite appealing, and the tan color of the cushioned areas goes very well with it. The texture of the headband pad is slightly different (a bit thicker/smoother) from the ear cups, but both are very comfortable. The outermost ends of the headband are NOT padded, however you would have to have a very large head to run into issues with that. My head is quite big and since the headphones are very malleable when putting them over your ears AND they adjust quite a bit, I have no complaints with the fitment at all. NOTE: I do have smaller ears than some, but there is a good 1/2 in of space around my ears, so these should actually work as Over The Ear Headphones and not borderline On The Ear Headphones for most people. The ear cups being made of a softer more 'breathable' material then the headband means I can wear them for hours without any discernible discomfort. While the headband is made of slightly different material it is still quite comfortable and should hold up to slightly more wear and tear (think bald guy) then the ear cups over time. The ear cups are replaceable however I cannot find any replacement headbands as of the writing of this review. I hope this helps.