Are you a real audio nerd, Netflix has goodies for you.
You need to run Android 9 or later to take advantage of better Netflix audio
Because in a longer article, they explain how they have improved the sound quality of Android phones. We are not going to dive deep into the technical, as we are by no means experts in sound and sound production, but the thing is that the Netflix app has been updated to support "xHE-AAC Extended HE-AAC with MPEG-D DRC" (you see now why not venture out on some deep dives.
Netflix claims that they deliver "studio quality", a typical PR word in the audio industry, but support for variable bit rate is still great if you are on unreliable networks.
Another major improvement is automatic sound level adjustment so that you avoid violent transitions from dialogue to action.