Take a look here[0] for a discussion about cassette quality.

TL;DR: Like many of us you probably had shitty equipment and shitty cassettes. They are more than capable of sounding great with the right tools.

[0] https://m.youtube.com/watch?v=jVoSQP2yUYA

So it's possible to get better sound quality with better quality tapes and players, but I'm pretty sure the player that's using that description falls neatly into the shitty equipment category.