What does a V-shaped sound signature mean?

You hear this term - V-shaped sound signature a lot. But do you know what it meant for you and your headphones?

Little Dot Cu Rad Headphone Reviews and Discussion

3 Ways to Calculate the Time Signature of a Song - wikiHow

The Best In-Ear Monitors (IEMs) in Summer 2023 –

Audiophiliacs: Why Do They Have So Many Headphones? - Major HiFi

Sound signature?? (Flat, Warm, V-shaped??)

Sound Quality Glossary

The 7 Types of Headphone Sound Signature and How to Pick Your Favorite

Audio Dictionary: “Warm” vs “Neutral” vs “Bright,” and the role your brain plays in all this, by Alex Rowe

Audiophiliacs: Why Do They Have So Many Headphones? - Major HiFi