Sennheiser HD 450SE Black Bluetooth 5.0 Wireless Headphone with Alexa Built-in - Active Noise Cancellation, 30-Hour Battery Life, USB-C Fast Charging, Foldable - Black

(UPDATED) 12/17/22: Review of the Sennheiser HD 450BT (Special Edition) COMFORT The only thing I was worried about was comfort as some of the reviewers complained about the fit being too tight and or runs hot, which I found not the case for me. SOUND The sound was well balanced (lows, mids, highs) out of the box, even though the built-in Smart Control app controls the equalizer, which has presets for genres and is customizable to some degree. The bass (lows) are actually adjustable slightly in the Smart Control equalizer and iPhone settings, so the bass (lows) are better than expected. BUILD QUALITY The build quality thus far is good and better than expected. ACTIVE NOISE CANCELLATION The ANC (active noise cancellation) is average at best, but does appear to reduce the outside noise by approximately 35%. BLUETOOTH WIRELESS and WIRED CONNECTIVITY The Bluetooth codecs will be more than enough to please the casual audio listener and on any device. Since these headphones also have wired cable connectivity (better than Bluetooth, playing lossless uncompressed audio), these headphones are all that is needed. The one odd, whether you take it as good or bad, is the audio cable connector is keyed. This provides a locking type of connection so that the cable does not wiggle or loosen easily. Connecting the cable takes getting used to, but works well. SMART CONTROL APP The Smart Control app has limited functionality. It is too bad you can't control the functions in the app that the physical buttons provide. AMAZON ALEXA The SE (special edition) version includes Amazon Alexa, if that is important to you, but other than this, both models are identical. I didn't need Alex, but the SE was quite a bit cheaper during one of the Black Friday or Cyber Monday deals for $75.00. CHARGING I do not believe these are considered fast charging as it took 2 or more hours to fully charge. RECOMMENDATION I would recommend these headphones at any price range whether at retail or reduced, because of the sound and build quality as well as the other numerous features it offers.

I bought these at the same time as the Beats Solo3, and compared to those, the sound quality on these is wonderful. You can hear the separate instruments, which especially matters if one is listening to accoustic music. There is an equalizer app one can download to boost the treble, bass or midrange. It won't give you super booming bass, but perhaps other apps do - I haven't tried any yet. What I mostly like is that the audio is natural and full. The Beats offer more bass, but it's at the expense of compressing the audio. I can't say much about the noise cancelling capabilities, since I use these mainly to listen to music, but if they cared as much about that as they do sound quality, I assume it can't be all that bad. The size of the earpieces seem a bit large, but they are extremely comfortable. I have worn these for hours at a time, whereas with the Beats Solo3, I couldn't stand them for more than 45 minutes because they squeezed my ears and head so hard. The controls are a bit tiny and took some getting used to, but they worked fine. The power button on the Beats cannot be felt by a normal hand unless you can read Braille - it is flat, tiny, and impossible to locate. In short, if sound quality and comfort matter to you - the Sennheiser HD 450 SE wins hands down.

I was really excited about my first pair of “good” wireless headphones. I’ve had great experiences with Sennheiser in the past, so I was confident this was going to be a reliable purchase. Like I said, during the first months it was all going great: pairing was lightning fast, audio range was incredible (could leave my phone in the kitchen and walk 10-15 m away with no trouble whatsoever), and the sound quality was pretty good. I was beyond happy, thought I’d found gold since I got them on sale for like 40% off. Then one day I remember I let the battery run out, and thought “Crap. Oh well, I’ll recharge them and use them in a couple of hours.” They started to make weird noises as I turned them on and tried to get them to pairing mode, like interference sounds or something glitching. They weren’t able to connect again, so I deleted them from my phone’s device list and tried to pair them from scratch again. Didn’t work either. They also wouldn’t turn off, and the factory reset didn’t help at all. It was like they couldn’t maintain pairing mode for more than 3 seconds and then restarted themselves (all while still making those funny noises in the background, perceivable only with the headset on). Suddenly one day they decided to work again, and broke down once more after a few weeks. I’ve decided to keep them wired to my laptop, but id you’re buying them thinking they’re that affordable pair of tw headphones you’ve been looking for for ages, I’d say keep looking. PS: ear cushions make your ears all hot n sweaty.

The Headphones is Almost perfect, Great quality & Sound , with the Application you can adjust the sound as you prefer. You can close the Active noise cancellation as well with the buttons . The only downside is that it will warm up your ears. The Bass is decent but not boomy.

Excellent matériel, qualité audio inégalée. Un constructeur qui est à l'écoute de sa clientèle.

Great sound. Really comfortable too.

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Le cuffie sono di ottima fattura e funzionano egregiamente con una qualità eccellente, la connessione bluetoth è ottima anche in ambienti molto grandi.