If your looking to block out ambient noise and the majority of sounds then these are definitely yours all the way

However, for quieter, ambient noises, this product blocks them all out

Nonetheless, great for blocking out ambient noise, such as traffic or a crowded room.

It blocks out a decent amount of noise, although not all noise (it reduces ambient noise to more like a whisper)

These cans cancel out so much ambient noise that my husband has been required to set up a peer-to-peer intercom system on our LAN so that he can get my attention while I'm working

Yes, I may look like a metal detecting grandma, but I can't hear the Beats By Dre haters through these awesome noise canceling headphones.(Note that the static I initially reported went

Yes, I may look like a metal detecting grandma, but I can't hear the Beats By Dre haters through these awesome noise canceling headphones.(Note that the static I initially reported went