

Because expensive headphones tend to have drivers with higher impedance, meaning they produce less volume at the same current versus a lower impedance set.
That’s true for wired headphones, at least. For anything wireless, they have a secondary amplifier not in your phone, so then the phone really really has no idea.
Here’s something a lot of folks supporting the tariffs as some bass-ackwards way of returning manufacturing to the US don’t understand: in business, uncertainty is even worse than higher costs. Even if you end up paying a little more, it’s worth it if that payment gets you stability.
Trump’s instability in policy easily outweighs any benefits – and that’s assuming there were ever any benefits at all.