Yes! This is an exactly perfect use of the literature and specifications I think OP is getting at. An educated consumer like you knows to look for that curve and can instantly recognize these aren’t the cans for your ears. That type of audio response isn’t a single value like watts or a binary yes/no like wireless/cabled and make it that much harder to shop for. It allows us to further sort gear into ever narrowing maybe/no piles.
Tons of users get the boosted phones, then eq the bass out for a distorted mess of nonlinear insertion noise.
About ten years ago, a company called EVEN sold headphones and had an app that used custom equalization based on a five minute hearing test (they called this an earprint). This equalization was also available on a certain music streaming service that I used, and it did make my Sony headphones sound much better. The idea behind this is that our ears tend to be a bit deaf (well, less sensitive) to some frequencies for a variety of reasons, and that this isn’t the same for both our right and left ears. So the app would create a different equalization for the right and left channel.
I liked it, for me it really did make the music sound better, even for my higher quality headphones. Unfortunately, it seems that the company went out of business about five years ago.
BTW, you can get an idea of how each of your ears hears different frequencies simply by playing a 20 Hz to 20 KHz sweep tone through headphones. There are plenty available on YouTube. As the tone plays you’ll hear the balance switch from side to side. That’s not due to software or hardware issues. That’s a meatware issue. And it’s why speaker selection is a personal choice.
Soundcore has a similar app for their headphones/earbuds called HearID. From their website: “HearID intelligently tests your hearing and creates a tailor-made sound profile just for your ears.”
I tried using it with both my earbuds and headphones but for me the results weren’t as good as just dialing in the sound with the app’s custom EQ settings
Which simply suggests that you’ve got a preference for a not-flat sound curve. And you’re far from alone in that.
All of us are used to how the world (and live music) sounds with our particular ear response curves, defects and all. Headphones that magically render recorded music with a perceived even volume in all frequency bands is not necessarily any happier sounding than what we’re each used to.
And that’s before we add in any personal preference for a bass-heavy, or brighter, or whatever, sound.