Instead of relying on the crappy built-in DAC with utterly nasty audio on this shitty phone, you can use a good phone AND your quality headphones: https://www.whathifi.com/best-buys/hi-fi/best-dacs#section-t...
Best of both worlds.
Best of both worlds.
The DACs/amps you linked are bigger than the Sony mp3 player I had in 2004. It had two jacks and a user replaceable battery. And it was water resistant.
I could go on and on.
Take care!