Difference Between Audio Technica M40x And M50x. The only difference between the M50X and the M40X concerning build quality is that the M50X is slightly heavier than the M40X as it weighs 101 ounces compared to 83 ounces. What this essentially means is that the ear cups on M50x are more flexible and can give you a more comfortable fit regardless of your ear shape and size.
There is also a bit of a difference in build quality between the two. Likewise the M40X has a snap around its ear cups while the M50X features a different mechanism making the M50X more durable than the M40X. One of the biggest differences between the ATH-M40x and the more expensive ATH-M50x is the driver size.
They do feel more economical but it needs to be okay if you manage them properly.
Comfort-wise too these headphones are more alike than they are dissimilar. The only difference between the M50X and the M40X concerning build quality is that the M50X is slightly heavier than the M40X as it weighs 101 ounces compared to 83 ounces. Ath-M40x 240 grams are a bit lighter than M50x 285 grams but the difference is not highly noticeable. Going on to the differences the ear cups on M40X swivel 90 degrees whereas the ear cups on M50x swivels 180 degrees.
