Hmmm. So you have to see what you are listening or know what it is worth before you can hear a difference!!! There's something not quite right with that! Much of Hi-Fi is indeed confirmation bias. There is precious little audible difference between most DAC's. Most cables. Most Op amps, mains...

quite a few blind tests have been done on speaker burn in (including headphones) The vast majority show no change. The most likely explanation is confirmation bias. We expect to hear an improvement and "imagine" it to be true. One of those urban myths that persists in spite of evidence to the...

After reading numerous reviews i recently purchased some Momentum over ear phones. None of the local stores had a pair available to actually listen to. But given the reviews, i was pretty confident they were exactly what I was looking for and so took the plunge and purchased sans any listening...