there are multiple online tests (blind tests) helping you to decide on your own. I practiced a little and now I can tell the difference between 320kbps in some, but far from all, cases in these tests. With my headphones (msr7b) and Dac/amp (Fiio Q3) it's easiest, with cheap IEMs and the Q3 still noticable, otherwise (Headphones or IEM in phone aux) impossible for me to tell the difference. After gettimg used to it and some ear training I prefer lossless (airier, cleaner high frequencies, esp. some female voices or violins), but still use spotify in most cases for convenience as differences are not that severe.
there are multiple online tests (blind tests) helping you to decide on your own. I practiced a little and now I can tell the difference between 320kbps in some, but far from all, cases in these tests. With my headphones (msr7b) and Dac/amp (Fiio Q3) it's easiest, with cheap IEMs and the Q3 still noticable, otherwise (Headphones or IEM in phone aux) impossible for me to tell the difference. After gettimg used to it and some ear training I prefer lossless (airier, cleaner high frequencies, esp. some female voices or violins), but still use spotify in most cases for convenience as differences are not that severe.