'V-shaped' is one of those definitions that tends to do more damage than good when describing signatures, like 'musical' or 'lush'. The reason is that as a term they make a lot of sense to someone reading them, but the interpretation of what that actually constitutes is very subjective. So more often than not, what the person saying it has in mind is not likely to correspond to the one who reads it. I also like to use the term musical btw as its such an awesome term, but always explicitly elaborate what makes it so (any aspect of a signature or presentation can make something 'musical').
When people think of v-shaped, they most commonly tend to associate it with a bright and lean signature. While that can be true, some of the warmest and thickest sounding iems equally have a classic V-shape (like Vega), and then there's everything in between. You can have 3 V-shaped iems that will have little to nothing in common when it comes to their actual sound. In the case of Legend, it has enhanced bass and a brighter treble, but combines this with a full-bodied midrange and overall full sound.
(Not meant as an attack on anybody btw)
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