2021 discount Sennheiser 2021 HD 450BT Bluetooth 5.0 Wireless Headphone with Active Noise Cancellation - 30-Hour Battery Life, USB-C wholesale Fast Charging, Virtual Assistant Button, Foldable - White outlet online sale

2021 discount Sennheiser 2021 HD 450BT Bluetooth 5.0 Wireless Headphone with Active Noise Cancellation - 30-Hour Battery Life, USB-C wholesale Fast Charging, Virtual Assistant Button, Foldable - White outlet online sale

2021 discount Sennheiser 2021 HD 450BT Bluetooth 5.0 Wireless Headphone with Active Noise Cancellation - 30-Hour Battery Life, USB-C wholesale Fast Charging, Virtual Assistant Button, Foldable - White outlet online sale
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2021 discount Sennheiser 2021 HD 450BT Bluetooth 5.0 Wireless Headphone with Active Noise Cancellation - 30-Hour Battery Life, USB-C wholesale Fast Charging, Virtual Assistant Button, Foldable - White outlet online sale_top

Brand
Sennheiser Consumer Audio
Color
White
Connectivity Technology
Wireless
Model Name
HD 450BT White
Form Factor
Over Ear

  • HD 450BT wireless headphones, Audio cable USB-C charging cable, Carry case, Quick guide & safety guide

  • Meet the HD 450BT Wireless Headphone

    About Sennheiser

    Sennheiser is shaping the Future of Audio – a vision built on a 75-year history of innovation and a continued drive for excellence that is woven into our company’s DNA and culture. Around the world, our employees share this passion in the pursuit of the perfect sound, creating products that exceed expectations and set new benchmarks in audio.

    Step up to great wireless sound with the new HD 450BT from Sennheiser.

    Thanks to a winning combination of superior sound quality, advanced Bluetooth technology, and an excellent 30-hour battery life, this versatile wireless headset is a companion for enjoying better audio.

    Whether listening to a podcast or on the go with your favorite song, you can count on the new HD 450BT to be your ultimate companion for wireless audio – whatever you listen to.

    Active Noise Cancellation

    Thanks to Sennheiser’s active noise cancellation and a closed back design, the HD 450BT delivers captivating sound that can be enjoyed without distraction – even in loud environment

    Superior Sound

    Created to deliver a superior sound experience with deep dynamic bass. Exceptional quality is assured by high-quality wireless codec support, including AAC and AptX, with AptX Low Latency to keep audio perfectly in sync with on-screen action when watching videos.

    Perfect Travel Companion

    A great companion for travel, the HD 450BT has a superb 30-hour battery life with fast USB-C charging, a Voice Assistant button for Siri and Google Assistant interaction, and a robust folding design for take-anywhere durability.

    Personalise your Sound

    The free Sennheiser Smart Control App (available on Apple & Android devices), with selectable sound modes, allows you to tailor the sound experience to your travel playlist.

    Besides battery status and firmware updates, the app features a podcast mode that optimizes the intelligibility of podcasts, audio books, and other speech content.

    Features & details

    Features

    • Bluetooth 5. 0 technology for effortless, reliable connectivity including AAC and AptX Low Latency codec support
    • Active noise cancellation for uninterrupted listening pleasure
    • Intuitive controls, including Virtual Assistant button for Siri and Google Assistant
    • Sennheiser App support providing an equalizer, Podcast Mode and Firmware updates
    • Included components: HD 450BT wireless headphones, Audio cable, USB-C is charging cable, Carry case, Quick guide & safety guide

    Product information White

    Product Warranty: For warranty information about this product, please click here
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    What''s in the box

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    Customer Questions

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    Q: Is this recommended to use for online conferencing? is mic quality good?

    A: No

    marcus | 1 year ago

    Q: Do they have transparent mode like more expensive models? And if not, is it possible to be…

    A: Answer to @ShakyJake, you mentioned that you are unable to turn it off the "Transparency M…

    GameDirection | 5 months ago

    Q: Do the headphones come with a charger or do I need to buy one separately?

    A: Yes, they do come with a charging cable. A usb type c.

    Giovanni Sanchez | 1 year ago

    Q: Can this support multipoint connection? Connecting to multiple devices at the same time?

    A: Yes. You can connect to the phone and computer for example. And answer a call. Sometimes i…

    Emilio Méndez | 1 year ago

    Customer reviews

    4.3 out of 54.3 out of 5
    1,332 global ratings

    Reviews with images

    Top reviews from the United States

    Sam Meyers
    3.0 out of 5 starsVerified Purchase
    Worth considering other options
    Reviewed in the United States on June 23, 2020
    Color: Black
    I enjoyed music quality and comfort as well as BT5.0 and USB C charging. Battery life is solid and it is easy to pair and use. Some call the controls complicated and though I agree the play/pause button isn''t well done, I adjusted in a few days and was mostly fine. I did... See more
    I enjoyed music quality and comfort as well as BT5.0 and USB C charging. Battery life is solid and it is easy to pair and use. Some call the controls complicated and though I agree the play/pause button isn''t well done, I adjusted in a few days and was mostly fine. I did contact support for help with my issues. None was available.

    I''m returning this product for the following reasons, in no particular order. I don''t recommend you purchase these unless they fall under $100 or you are fine with the issues.

    1. ANC toggles on and off with the push of a button for a purple indicator light. You get a second or two where the audio drops out while this kicks in. Or maybe off. There is no indication, on the headphones or app, that say ANC is on or off. the light toggles purple either way. You can guess given ambient noise but you''ll never know! There is no known fix for this or support had no input.

    2. ANC seems to kick in for calls with something they call sidetone. It pipes in ambient audio so you can hear yourself and not be too loud. Except, I just hear everything except the call. Call audio drops below ambient noise, even just working in the kitchen or tasks where a speakerphone might cut it. So these are useless to me on calls and I redirect to the headset I am trying to replace. It might as well not have call options at all. No fix or patch coming as far as support has said.

    3. If you pair this to 2 devices, say your phone and a laptop, you have to be careful to disconnect when you go out of range of 1 device. If you do walk away or go on a walk, you will need to power off the headphones then power them back on and connect to the 1 device (out of range of the other device). Otherwise, you will have a nice British voice say ''Disconnected'' every 5 seconds. No, the device does not reconnect when back in range, at least not reliably for me to notice it tried to. There is also no fix for this though it''s entirely software...

    With that in mind, are these a good fit? For about $100 I''d probably keep them but need a second headset of the same type for calls, making them effectively useless if the other set has noise cancelling and decent audio. There may not be better headphones at that price range either, feature wise. I appreciate USB C. The audio cable it comes with works well though may be short for large desk spaces. Battery life is great as I went maybe 4 days straight with extended use before charging, but not because they needed a charge. They are comfortable on my head, though some may find the top band a bit thin.
    136 people found this helpful
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    V W
    4.0 out of 5 starsVerified Purchase
    Great headphones but...
    Reviewed in the United States on May 7, 2020
    Color: Black
    I use these for listening to music and phone calls. Overall great quality headphones: Pros: App to adjust bass/treble - great for most audiophiles but I haven''t used it (some have stated that the app isn''t that good). Aesthetically pleasing - minimal... See more
    I use these for listening to music and phone calls. Overall great quality headphones:

    Pros:
    App to adjust bass/treble - great for most audiophiles but I haven''t used it (some have stated that the app isn''t that good).
    Aesthetically pleasing - minimal design looks good.
    Sound Quality - very good, though I can''t say much because I''m not an expert.
    Comfortable - I can wear it for many hours at a time with ease (though others complained that it was too tight, but I have a small head).
    Battery Life - 30 hours is a lot, and that means I can use them wireless the majority of the time.
    Detachable Aux Cable / Headphone Jack - in case I run out of battery or in the airplane. The mic also works while plugged in, which is great.
    Active Noise Cancelling - only works when on a call, otherwise I don''t hear much while i''m listening to music. It''s great for listening to your surroundings without having to remove your headphones.

    Cons:
    Mic Quality (currently in question) - I was told that my mic was very good, though I also sounded robotic/laggy when I was on a group call on Discord. I''ve only heard this from when I was using Discord, meaning it''s most likely an in-app issue because it relies on WI-Fi to maintain the call.
    Wired mode - the audio is quieter on the headphones and I can''t adjust it to be louder.
    Button placement - Weirdly placed buttons but I can adapt to the button positions.
    46 people found this helpful
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    Amista
    1.0 out of 5 starsVerified Purchase
    WON''T STOP NOTIFYING OF TIME LEFT
    Reviewed in the United States on February 18, 2021
    Color: White
    I''ve had these headphones since October and when I first got them they were fantastic. Now the return window has closed and these freaking headphones won''t stop randomly turning off. They will also repeatedly give a warning "you have between 6 and 12 hours remaining". ALL... See more
    I''ve had these headphones since October and when I first got them they were fantastic. Now the return window has closed and these freaking headphones won''t stop randomly turning off. They will also repeatedly give a warning "you have between 6 and 12 hours remaining". ALL THE TIME. I spent so much money on these and now I can''t even use them. If you see this review please don''t buy these headphones.
    18 people found this helpful
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    Jacob Daniel McCutcheon
    2.0 out of 5 starsVerified Purchase
    Static in left ear, high pitched squeal in right ear
    Reviewed in the United States on April 8, 2020
    Color: Black
    Due to the issues stated in the title of this review, I am returning this product. The left ear produces a lot of very annoying static when the noise cancelling is on, especially when listening to someone talk in a video. The right ear will occasionally emit a high pitched... See more
    Due to the issues stated in the title of this review, I am returning this product. The left ear produces a lot of very annoying static when the noise cancelling is on, especially when listening to someone talk in a video. The right ear will occasionally emit a high pitched squeal for no discernible reason. On top of that, they are very uncomfortable and cause my ears to hurt after only a short amount of use. They sound worse then my Sennheiser HD1 Wireless headphones, which i bought for $160 on sale, cheaper than these. The only reason I wanted new headphones was for the aptx low latency, and I initially decided to go Sennheiser as it WAS a brand I trusted. Lesson learned.
    21 people found this helpful
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    Johnny Juggernaut
    1.0 out of 5 starsVerified Purchase
    Shame Shame
    Reviewed in the United States on April 4, 2021
    Color: Black
    Don’t buy these unless you want to to be reminded constantly of all the devices it ISN’T connected to. 9 miles away from the phone they’re originally paired to? Get ready to hear “lost connection” until you can disconnect/unpair it at source. Got something else to connect... See more
    Don’t buy these unless you want to to be reminded constantly of all the devices it ISN’T connected to. 9 miles away from the phone they’re originally paired to? Get ready to hear “lost connection” until you can disconnect/unpair it at source. Got something else to connect to? Don’t worry, they’ll keep reminding you that you’re still disconnected to that other device, even if you’re already connected to something else!

    Next, since these “reduce noise”, they don’t produce enough volume at all. If you’re already hard of hearing, these will only whisper in your ear.

    Finally, the design in trash. Too many buttons to close together. Accidentally hitting the wrong button can be a common occurrence if these aren’t your only set of headphones. Nothing intuitive about these things at all other than holding the power button to “pair up.”

    The best thing I can compare them too is the bass drum pedal from the first version of the video game Rock Band. If you know that pedal then you know these headphones.
    8 people found this helpful
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    MiamiGuitarMan
    2.0 out of 5 starsVerified Purchase
    Useless for watching TV. AptX LL doesn''t seem to work.
    Reviewed in the United States on August 31, 2020
    Color: Black
    I''ll start with the summary - I am sending these back because they don''t work with Bluetooth transmitters using aptx LL for watching TV. What I liked about them - They sound great. I listened to music and watched videos on my laptop both wired and wireless.... See more
    I''ll start with the summary - I am sending these back because they don''t work with Bluetooth transmitters using aptx LL for watching TV.

    What I liked about them - They sound great. I listened to music and watched videos on my laptop both wired and wireless. They really do sound good.

    The ANC is OK. Nothing great, but it does a half decent job of blocking out consistent droning sounds like leaf blowers, vacuum cleaners, etc... But it doesn''t compare to the ANC on headphones like the Bose QC35 II or even the comparably priced Sony H910N. But it''s passable.

    What I didn''t like about them and why they are going back -

    1. I bought these to watch TV without annoying everyone else in the house. My setup is very simple. I have an Avantree Audikast bluetooth transmitter which I''ve been using with a set of cheap Avantree headphones, but I''ve been wanting something with better sound.

    If anyone has every tried watching TV with bluetooth headphones, you may have noticed that the audio and video are usually out of sync. The reason I bought these particular headphones is because they have a codec called AptX LL (low latency) which fixes the problem of the audio and video being out of sync when using bluetooth to watch TV. There are very few headphones currently on the market that support AptX LL so my choices were limited. But I know the Sennheiser name and because these cans use AptX LL, I decided to buy them. The Avantree Audikast also uses AptX LL.

    Here''s the problem - they do connect to the Avantree Audikast but I get no sound. I first used an older Audikast with BT 4 and thought maybe that was the problem so I spent $60 to get an Audikast Plus that uses BT 5.0. It arrived earlier today and I set it up, tried it, same problem. The headphones pair with it but there is no sound. The Audikast Plus even has its own volume control and I thought maybe that would help too but it didn''t.

    I made sure it wasn''t a problem with the Audikast and the Audikast Plus by trying two different sets of Avantree headphones, both were different models, that also support AptX LL and both of them worked perfectly.

    I also tried a set of Bose QC35II, a set of Sonys, and a cheap Jabra. These don''t support AptX LL but they did connect and I had no trouble getting sound. But of course, because they don''t support AptX LL, I can''t really use them for watching TV. But I did use them to make sure that the problem wasn''t the Audikast units.

    I think I''ve narrowed it down to the Sennheiser''s implementation of Aptx LL.

    So, this is the primary reason they are going back. The AptX LL simply doesn''t work.

    Other things I didn''t like - they are very tight and the ear cutouts are too small so they pinned my ears to the side of my head and after a couple of hours they became uncomfortable.

    The headband has almost no padding and is also uncomfortable after a while.

    So in addition to them not working at all for watching TV using a BT transmitter that uses Aptx LL, they are also uncomfortable.

    Overall, sound = 4, ANC = 3, comfort = 2, AptX LL support = 0. Overall, I can''t really rate them higher than two stars.
    8 people found this helpful
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    marc
    5.0 out of 5 starsVerified Purchase
    As a non audiophile or sennheiser fanboy and just a regular listener:
    Reviewed in the United States on October 3, 2020
    Color: Black
    These headphones are very good. 30 hour battery life, ANC, low latency, comfortable build. I am going to address most of the complaints in others reviews. The Active noise cancellation is great for a $150 headphones, but high price headphones from microsoft, or sony,... See more
    These headphones are very good. 30 hour battery life, ANC, low latency, comfortable build. I am going to address most of the complaints in others reviews.
    The Active noise cancellation is great for a $150 headphones, but high price headphones from microsoft, or sony, or bose that''s probably 200-400 dollars will blow these out of the water. But it does work, and it does block out noises. Most effectively: repeating noise like that of a car or a train or an airplane or air conditioners, etc. It blocks out voices, but not that much. You can definitely hear others when your not listening to anything.

    The sound quality can also be thrown out when considering other headphones. Sennheiser creates headphones with the best sound quality, but this pair of headphones wasn''t really created for that. It has every quality a good $150 dollar wireless headphones has, that a lot of other headphones don''t have. So you can''t really say it sucks, because it has a different purpose. However, the sound still rocks. It''s so clear and precise. The best bang for your buck if you''re a casual listener that doesn''t want to spend too much.
    Battery life is one of the best so nuff said really.
    I have not experienced hissing sounds and the music quality is very very great. I have experienced bad sounds/ hiss when the audio jack is not properly attached though. The audio cable needs to be inserted in a specific way. If it isn''t you will experience what a $1 headphones sounds like.
    Latency is definitely there even if the product claims low latency. It''s manageable, but it still is very noticeable.

    It has a light build and is smaller than expected. As some claim its ear cups and headband are too small, it fits nicely with me, and it isn''t even fully adjusted yet. I think most people would like it. If you have a big head/ears though, don''t waste your money and time ordering these. I can wear this for hours though.
    The free case is small, if you travel a lot and have some extra cash to burn, I''d suggest ordering something to go with these.
    The worst problem for me is the comfort-ability while wearing glasses. Better than most earphones though so I won''t complain.
    Definitely 4/5 stars for most casual listeners
    10 people found this helpful
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    jeff Casperson
    5.0 out of 5 starsVerified Purchase
    a Well built headphone with Top notch ANC, Call quality and Sound quality.
    Reviewed in the United States on July 28, 2020
    Color: Black
    The sennheiser HD450 BT is the successor to the 4.50. it''s an improvement in every way. Comfort. The 450 BT has a thin headband but it never dug into my head at all. This is all plastic but it''s well constructed and folds to a very compact size. The one thing i... See more
    The sennheiser HD450 BT is the successor to the 4.50. it''s an improvement in every way.
    Comfort.
    The 450 BT has a thin headband but it never dug into my head at all. This is all plastic but it''s well constructed and folds to a very compact size. The one thing i wish is that the earcups were a smidge wider, but i can think of a number of people i know and who i had try these headphones on, of varrying builds and none of them felt comfort was an issue. Truthfully it isn''t anything i can''t live with and i am nitpicking, but also comparing to other headphones i own.
    The headphones charge via USB-C and also have an analog cable with a 2.5 MM plug for the headphones, and a 3.5 MM for your headphone jack.
    The codecs they support are SBC, AAC, APTX and APTX-LL. The latter is designed to sync the audio from a TV or movie with what you see on screen.
    Note; IPHONES AND IPADS DO NOT SUPPORT THIS FEATURE.
    noise canceling. The headphones do well illiminating the whirring from AC units, busses etc, but with Air Conditioners for example, you''ll still hear the fan noise, though it will be reduced. These also don''t block voices very well, though they passively block them out enough so that with music playing at low-medium volumes and higher of course, you likely won''t hear any of these noises well. There are headphones that cost double who''s ANC is not as good as the Sennheiser HD450 BT.
    Sound. You can customize the sound via the Sennheiser Smart Control app, available on IOS and Android, via a dot EQ. The eq implementation is 2 stars only because i am able to get a sound i enjoy with these and other Sennheiser products i have which also use the Smart Control app, but from a programming and customization standpoint, it earns a solid half a star.
    By default the sound has an emphasis on bass in all it''s forms, but these are not muddy by any means. The mids are full and the treble is rolled off slightly, but fortunately all this can be refined to some degree with the eq. Theres still a veil to the sound if i compare them to higher priced models like the NAD Viso HP70 or Shure Aonic 50, but those cost twice as much as the $200 MSRP Sennheiser placed on these. that said, these have some real potential and if you use an app that has a multiband eq, you could really make these shine. AS is, they have a good sense of space for instruments to have separation and sounds in tv shows to have their place as well.
    Functionality.
    The Sennheiser 450 BT uses buttons for it''s functions.
    on the underside of the left side of the headphone just above the earcup, there is a braille L to indicate left. The right earcup is where all the buttons and ports are.
    you have the analog adapter mentioned earlier, the USB-C port, on the bottom edge of the right earcup. The volume button has a dot on one end, that''s volume up. the other side closest to you while wearing them is volume down. Details like this help when you want to use them without looking, especially because while the buttons aren''t hard to use, they are a little cramped in some instances. Fortunately they''re distinct enough that it shouldn''t be hard memorizing each one and what it does. Back to the layout, the next button over from volume moving towards your ear while you''re wearing them is a toggle which rewinds and fastforwards by flicking it it up for fast forward, and down for rewind. Fun fact, if you hold the toggle in either direction, you can scrub through the track bit by bit. perfect if you miss something while listening to a podcast or audiobook. some devices and apps don''t support this functionality however. pressing inward on the toggle pauses or plays music and also answers and ends calls. next button up, right near where the headphone band connects to the earcup is an assistent button. This worked 100% of the time. I didn''t need to set it up like i have to with some products. This is using google Assistent. on the opposite side of the right earcup from the assistent button is the power/noise cancelation button. You press and release to turn ANC on and off and hold for 2-3 seconds to power on and off. Hold for 5 seconds to place in pairing mode.
    These also support multipoint connection, so you can have them connected to a tablet for music and a phone for calls for example. If you have music playing on one device, and recieve a call on another device the headphones are paired to, the music will pause, and the call will come in. you can hold the function button for a couple of seconds to reject the call. IF you do, your audio from the previous device will start playing again.
    Call quality. While these headphones don''t have a transparency mode available while listening to music etc, they do use it for phone calls. This is a wonderful feature because you can clearly hear yourself and your environment while on a call. Vital while you''re walking or might otherwise be occupied. The callers i spoke with in most cases didn''t know beforehand i was using headphones for the call. And they never ask me to repeat myself or if i were on bluetooth. while speaking with them i did every day tasks, washing dishes, talking with my birds, vacuuming etc. The people i did ask for feedback on how i sounded said they could hear these noises in the background, but the sounds didn''t overpower my voice and they could always hear me clearly. I left my phone in a room most the time while i wandered through my apartment and it never cut out on the call or while listening to music.
    These are a fantastic buy. If you want a well built headphone that has a lot of features but doesn''t have a premium price, this is the one to get right now.
    8 people found this helpful
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    Top reviews from other countries

    Translate all reviews to English
    Victor Soriano Lily
    2.0 out of 5 starsVerified Purchase
    Malos para música instrumental
    Reviewed in Mexico on October 21, 2020
    Compre estos audífonos esperando una buena experiencia en cancelación de ruido, el cual funciona bien escuchando música en alto volumen y sin silencios, pero escuchando música instrumental o clásica es una tortura, se escuchaba una especie de interferencia en al auricular...See more
    Compre estos audífonos esperando una buena experiencia en cancelación de ruido, el cual funciona bien escuchando música en alto volumen y sin silencios, pero escuchando música instrumental o clásica es una tortura, se escuchaba una especie de interferencia en al auricular izquierdo al final de pistas o en medio cuando la pista tenía silencios, los devolví y solicite reembolso, volví a pedir otros igual pensando que solo era un error en esa unidad, para mi sorpresa el nuevo set tenía el mismo problema pero ahora del lado derecho, he vuelto a solicitar reembolso, si no eres muy exigente o no escuchas música instrumental funcionan de maravilla y la calidad de audio y materiales es excelente.
    Compre estos audífonos esperando una buena experiencia en cancelación de ruido, el cual funciona bien escuchando música en alto volumen y sin silencios, pero escuchando música instrumental o clásica es una tortura, se escuchaba una especie de interferencia en al auricular izquierdo al final de pistas o en medio cuando la pista tenía silencios, los devolví y solicite reembolso, volví a pedir otros igual pensando que solo era un error en esa unidad, para mi sorpresa el nuevo set tenía el mismo problema pero ahora del lado derecho, he vuelto a solicitar reembolso, si no eres muy exigente o no escuchas música instrumental funcionan de maravilla y la calidad de audio y materiales es excelente.
    16 people found this helpful
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    honda021
    1.0 out of 5 starsVerified Purchase
    Really disappointing
    Reviewed in the United Kingdom on September 8, 2021
    The noise cancellation is not great, and when I connect to my computer there are actually two ways to do it (two sound devices come up when connected via bluetooth). One is incredibly noisy. Like being on a plane. The other is ok, but it''s annoying to have to select the...See more
    The noise cancellation is not great, and when I connect to my computer there are actually two ways to do it (two sound devices come up when connected via bluetooth). One is incredibly noisy. Like being on a plane. The other is ok, but it''s annoying to have to select the "right" one all the time. Also, they are really tight and really uncomfortable. I must say, I''m super disappointed with these. I have Anker Q20''s and they are better. For half (or less) the price. Also, too many buttons, and they aren''t marked well, and they are tiny. Really. Really disappointing.
    The noise cancellation is not great, and when I connect to my computer there are actually two ways to do it (two sound devices come up when connected via bluetooth). One is incredibly noisy. Like being on a plane. The other is ok, but it''s annoying to have to select the "right" one all the time. Also, they are really tight and really uncomfortable. I must say, I''m super disappointed with these. I have Anker Q20''s and they are better. For half (or less) the price. Also, too many buttons, and they aren''t marked well, and they are tiny. Really. Really disappointing.
    Report
    Amazon Customer
    4.0 out of 5 starsVerified Purchase
    These are not over ear headphones, but they''re still amazing.
    Reviewed in Canada on October 9, 2020
    The product description suggests these are completely encapsulating over ear headphones, that is not the case. These are on-ear that kind of hybrid on-ear/over-ear in the sense that the back half of your ears slot into the pads while the front half rests on them. If you''re...See more
    The product description suggests these are completely encapsulating over ear headphones, that is not the case. These are on-ear that kind of hybrid on-ear/over-ear in the sense that the back half of your ears slot into the pads while the front half rests on them. If you''re like me you would strongly prefer them to be completely over-ear. The pads are also a non-breathable leather material and I find my ears sweating against them after extremely short use. I tolerate these issues however as they are decently comfortable, the noise cancellation is amazing, they sound AMAZING, and the battery lasts me 1-2 weeks if not longer as I use them pretty much only during my commutes to work 3 times a week. The carrying case is a flimsy material that offers minimal protection and leaves something to be desired. The price is amazing for what you get but if on-ear is a deal breaker for you, look somewhere else.
    The product description suggests these are completely encapsulating over ear headphones, that is not the case. These are on-ear that kind of hybrid on-ear/over-ear in the sense that the back half of your ears slot into the pads while the front half rests on them. If you''re like me you would strongly prefer them to be completely over-ear. The pads are also a non-breathable leather material and I find my ears sweating against them after extremely short use.

    I tolerate these issues however as they are decently comfortable, the noise cancellation is amazing, they sound AMAZING, and the battery lasts me 1-2 weeks if not longer as I use them pretty much only during my commutes to work 3 times a week.

    The carrying case is a flimsy material that offers minimal protection and leaves something to be desired.

    The price is amazing for what you get but if on-ear is a deal breaker for you, look somewhere else.
    17 people found this helpful
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    Petr Klima
    4.0 out of 5 starsVerified Purchase
    Sennheiser - you know what you buy
    Reviewed in Canada on December 18, 2020
    I''ve gone through multiple headphones from various manufacturers in my life and I can say that over my 15 years with various Sennheiser headphones - you know what you''ll get for your money. These are my 3rd Sennheiser headphones in $100 - $150 range (each were different...See more
    I''ve gone through multiple headphones from various manufacturers in my life and I can say that over my 15 years with various Sennheiser headphones - you know what you''ll get for your money. These are my 3rd Sennheiser headphones in $100 - $150 range (each were different model) and the sound is very comparable for all of them - what I want to say, Sennheiser seems to be pretty good at delivering consistent audio quality. I made a sort of mistake once to buy a $50 Sennheiser in-ear headphones and I was very disappointed they didn''t sound as good as my $120 over-ear ones. Later I realised I had unrealistic expectations. Anyway, there are some good and bad things about these. Good: * long battery life, at least compared to their predecessor model 4.50 * audio cable - this was actually my requirement. However, the audio cable itself was a big disappointment, more in cons below * support for AptX codec * good audio quality for people desiring precise reproduction (these are definitely not bass heavy) * Somewhat foldable - they don''t fold really flat, but it''s better than nothing * The construction feels more solid than on my other similarly priced Sennheiser headphones. That said, I still have and use 10 year old Sennheiser headphones - they work perfectly fine, I just needed to order replacements for the ear cushions, as they disintegrate after several years * Short audio delay when connecting via BT, allowing you to watch movies without being distracted by the delay between picture and sound too much. If you really notice that comparatively short delay, you can still connect to your player using wired connection, because hey, you have the option to do that, unlike some other models or brands * Controls - the buttons located on the headphones are each different enough size, feel and position, so I didn''t have any difficulty recognizing them and I don''t think I ever pressed the wrong one. Meh: * The ear cups are not properly over-ear, they are a bit too small for that. They also touch your ear constantly. Initially I thought I won''t be able to tolerate this, but I got used to it in a week. Still, they are not as comfortable as my older wired properly over-ear HD 461. I can wear the HD 450BT for 2 or so hours, whereas I didn''t have problem with 5 hours using HD 461. * They squeeze my head quite strongly. I have bigger head, which makes things worse. Again, there''s much more pressure than with my older HD 461, but on the other hand, I don''t fear they''d fall down while walking. * Noise cancellation. It actually is not really a noise cancellation, it''s rather noise replacement. I may be doing injustice to the system, because I only use them indoors, when the only noise they cancel is hum of my workstation''s fans. The problematic part is that the feature doesn''t simply cancel the fan hum. It replaces the deeper hum with slightly higher-pitched white noise of lower volume. I honestly can''t decide whether I prefer the noise cancellation being turned on or off. * The noise cancellation feature may be quite finnicky - on my first pair of these headphones it created squeaking noises in left ear cup, completely defeating the purpose of the noise cancellation. However Amazon was quick to offer me refund or replacement (I went for replacement), so I don''t hold it against the product. The second pair is free from any problems so far. After all, this is why we have warranty, right? Bad: * Microphone doesn''t work if connecting through supplied audio cable. This sucks, as it degrades the headset function to a mere headphones and I was not aware of this behaviour when buyin. It is simply resolved with buying replacement audio cable from 3rd party though - I did buy mine on Amazon for $17 - it doesn''t break the piggybank, but adds to the price of the headphones. If you connect only through Bluetooth, this won''t bother you at all. In the end, there are quite a few comparable BT headphones from Sennheiser, Audio Technica or AKG (these being one of few brands I trust enough to buy in this price range), with similar pros and cons - all of them are this weird hybrid of over-ear and on-ear construction. Sennheiser offers the audio cable connection, which is why I chose them over the others. I''m pretty happy with the purchase and I''d
    I''ve gone through multiple headphones from various manufacturers in my life and I can say that over my 15 years with various Sennheiser headphones - you know what you''ll get for your money.

    These are my 3rd Sennheiser headphones in $100 - $150 range (each were different model) and the sound is very comparable for all of them - what I want to say, Sennheiser seems to be pretty good at delivering consistent audio quality. I made a sort of mistake once to buy a $50 Sennheiser in-ear headphones and I was very disappointed they didn''t sound as good as my $120 over-ear ones. Later I realised I had unrealistic expectations.

    Anyway, there are some good and bad things about these.

    Good:
    * long battery life, at least compared to their predecessor model 4.50
    * audio cable - this was actually my requirement. However, the audio cable itself was a big disappointment, more in cons below
    * support for AptX codec
    * good audio quality for people desiring precise reproduction (these are definitely not bass heavy)
    * Somewhat foldable - they don''t fold really flat, but it''s better than nothing
    * The construction feels more solid than on my other similarly priced Sennheiser headphones. That said, I still have and use 10 year old Sennheiser headphones - they work perfectly fine, I just needed to order replacements for the ear cushions, as they disintegrate after several years
    * Short audio delay when connecting via BT, allowing you to watch movies without being distracted by the delay between picture and sound too much. If you really notice that comparatively short delay, you can still connect to your player using wired connection, because hey, you have the option to do that, unlike some other models or brands
    * Controls - the buttons located on the headphones are each different enough size, feel and position, so I didn''t have any difficulty recognizing them and I don''t think I ever pressed the wrong one.

    Meh:
    * The ear cups are not properly over-ear, they are a bit too small for that. They also touch your ear constantly. Initially I thought I won''t be able to tolerate this, but I got used to it in a week. Still, they are not as comfortable as my older wired properly over-ear HD 461. I can wear the HD 450BT for 2 or so hours, whereas I didn''t have problem with 5 hours using HD 461.
    * They squeeze my head quite strongly. I have bigger head, which makes things worse. Again, there''s much more pressure than with my older HD 461, but on the other hand, I don''t fear they''d fall down while walking.
    * Noise cancellation. It actually is not really a noise cancellation, it''s rather noise replacement. I may be doing injustice to the system, because I only use them indoors, when the only noise they cancel is hum of my workstation''s fans. The problematic part is that the feature doesn''t simply cancel the fan hum. It replaces the deeper hum with slightly higher-pitched white noise of lower volume. I honestly can''t decide whether I prefer the noise cancellation being turned on or off.
    * The noise cancellation feature may be quite finnicky - on my first pair of these headphones it created squeaking noises in left ear cup, completely defeating the purpose of the noise cancellation. However Amazon was quick to offer me refund or replacement (I went for replacement), so I don''t hold it against the product. The second pair is free from any problems so far. After all, this is why we have warranty, right?

    Bad:
    * Microphone doesn''t work if connecting through supplied audio cable. This sucks, as it degrades the headset function to a mere headphones and I was not aware of this behaviour when buyin. It is simply resolved with buying replacement audio cable from 3rd party though - I did buy mine on Amazon for $17 - it doesn''t break the piggybank, but adds to the price of the headphones. If you connect only through Bluetooth, this won''t bother you at all.

    In the end, there are quite a few comparable BT headphones from Sennheiser, Audio Technica or AKG (these being one of few brands I trust enough to buy in this price range), with similar pros and cons - all of them are this weird hybrid of over-ear and on-ear construction. Sennheiser offers the audio cable connection, which is why I chose them over the others. I''m pretty happy with the purchase and I''d
    11 people found this helpful
    Report
    Nancy Jensen
    1.0 out of 5 starsVerified Purchase
    Look and sound great, but painfully uncomfortable!
    Reviewed in Canada on December 9, 2020
    These headphones look good and feel like a quality product. However, they are super uncomfortable if you have anything beyond small ears. The pads don''t fit over my medium sized ears and I can''t wear them for longer than 30 minutes. I now have an expensive paper weight...See more
    These headphones look good and feel like a quality product. However, they are super uncomfortable if you have anything beyond small ears. The pads don''t fit over my medium sized ears and I can''t wear them for longer than 30 minutes. I now have an expensive paper weight since I waited too long to really try them out after my purchase. Make sure you try them out for an extended period of time within your return window!
    These headphones look good and feel like a quality product. However, they are super uncomfortable if you have anything beyond small ears. The pads don''t fit over my medium sized ears and I can''t wear them for longer than 30 minutes. I now have an expensive paper weight since I waited too long to really try them out after my purchase. Make sure you try them out for an extended period of time within your return window!
    10 people found this helpful
    Report
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