Hi all, Last week I purchased a pair of Sony WF-1000XM4 ear buds, Sony’s premium noise cancelling ear buds (I actually purchased two pairs as they were heavily discounted and my son needed a birthday present). I have a ridiculous number of headphones, probably 8-9 pairs, but was looking for a more svelte replacement for my trusty Sony WH-1000XM3 over-ear noise cancelling phones. I have owned a few pairs of NC over-ears, but this is my first pair of NC buds.

I set up the app, connected them and then turned on the noise cancelling. There was literally no difference whatsoever. I read up, made sure adaptive sound control was off etc (I am quite familiar with the app having used it for several years) but I genuinely could hear no difference sitting in a room with numerous sound sources of numerous volumes and frequencies. I tried the different bud sizes but again, no discernible difference. I ran the app that checked for adequate sealing, and unless I had the largest bud size and was physically pushing the phones into my ears to the point of pain, it said this was inadequate. When I did this, for the first time » Continue Reading.