Usually, it is said that the mid-frequency of headphones with female vocals will have some coloring. If there is a certain modification to the mid-frequency, that is, the human voice, it will make the female voice sound sweet and close to the distance.
Usually female voices will be toxic. The mid-frequency of the earphones is not too thick and leans towards clearness. Some old female voices will be modified to look younger and full of vitality and strong appeal, so people who listen to it will feel a ***** or be moved. This is what I mean. The female voice is addictive.
Generally speaking, Japanese styles will make such modifications in the mid-frequency to make the female voice sound sweet and charming, but relatively speaking, the male voice is not so good-sounding. The style of this type of headphones is It is not suitable for listening to heavy music such as rock and roll.