After losing my beloved QC35, I immediately had to replace them. The QC35 were the best money I ever spent, and the QC45 is definitely an evolutionary step up from the QC35. Offers a few more nice-to-haves over the QC35, and improved noise cancellation.

Three. Impressed with the quality of the sound, but the volume is very poor. I'd like to listen to music, while I am on my zero turn riding lawnmower. The sound canceling is excellent put the volume for the music being played again it's very poor when both phone and ear phones are both turned all the way up.

After couple of weeks of usage, I am happy to have upgraded from QC35. The new aware feature works really well for me watching sports on TV while still able to take orders from wifey without bothering her with the yelling from sportscasters. Also the new Bluetooth protocol works seamlessly with my Yamaha AV receiver unlike my old QC 35, no additional tricks needed to connect headset to receiver.

Every thing you want in a pair of headphones. Pros: -Wonderful Noise canceling -Excellent audio quality -Very easy to use -Buttons on the side control volume, noise canceling mode, and skip/previous track -Bose app allows custom equalizer settings -Comfortable and fits well (adjustable) Cons -The Price are quite expensive -Battery life could be better but still decent (about 22hr) Overall I would say that they are definitely worth it and I am very glad to have purchased them

Easy to pair, phenomenal sound, astounding battery life and affordable as h#$%. What's not to love about them. I have been a bose fan since I first seen them at a startup sale back in 1977 in Fort ord California , and the tech just keeps getting better all the time. Keep it up Bose.

I love the design, it's also very comfortable it doesn't hurt my jaw at all. I normally wear these at the office for like 8 hours and it feels very light on head. The noise cancellation is *chefs kiss*. They were a bit pricey but I think it's totally worth it!!!

I love my new Bose Quiet Comfort 45. They have great sound. The only thing I don't like about them is if you are connecting directly with an audio cable you don't have the ability to use the noise cancelation. That is very important in the media and sound work that I do. I gave it a 4 star but possibly should have been a 3 star because that feature should automatically be an option for these.

I love my new Bose Quiet Comfort 45 headphones. They are lightweight, comfortable to wear and the noise canceling feature is top notch. I mainly use them for when I need to study in cafes or coffee shops. I can tune out the noise of the world with these headphones on. I don't know why I waited so long to purchase these. These headphones are the reason I'm getting As in my classes. They have helped me focus on my work and be more efficient with my study sessions. Thanks Bose!! I just wish they were so expensive. Last but not least I love that I can adjust the equalizer settings on the Bose app.

This is my first NC headphone from Bose (had other brands) and now I know why Bose is considered the best. NC is absolutely first rate. Very smooth with no buzz noise that I could hear in other brands. I don't feel the pressure either. Aware mode is awesome as well. I can hear around me and can even talk when call comes. Music quality is awesome too. With new EQ setting I can customize as per my taste. I use 3 0 5 and it is great. Bass and treble is 100% to my taste. Battery life is great at 24 hrs and I'm getting that with no issues. Build quality is first rate as well. All seams are with tight tolerances. Feels premium product and is supercomfortable. It is very light weight and I love that it has no touch controls. I hate touch controls as they don't work all the time. It has physical buttons and its been awesome so far. Fast charges and has great carry case too. Comes with everything you will need. Bose sent it out very quick and I had it within 2 days of order.

Love the headphones. I wear them all day for work and they are so comfortable I forget to remove them sometimes. Only problem is the plug in cable did not work and Bose is replacing that with just a chat session. Otherwise, they live up to all claims Bose makes. I purchased the 700s prior to these and these are much better for me. Of course I am a life-long Bose customer. Would not buy anything else.