Beats headphones have relatively decent audio quality. However, most people assume they’re great because they put a heavy focus on boosting bass tones. At the time when Beats came out, not many other headphones with as wide of a reach did the same, so most people assumed the quality of Beats to be amazing. You can find headphones that are far superior to Beats at more affordable prices these days. Also, Beats are owned by Apple, and Apple would prefer it if you bought their own headphones instead. All these factors are what are leading Beats headphones to slowly phase out.