What kind of speakers are good speakers? What can hear the positioning is a good speaker!
If you don't know what kind of speakers are good, there is a very simple way to test, you first listen to the positioning, try to hear what the instrument is playing, and which orientation. If the singer is singing in the middle, the left and right speakers will speak at the same time, but the feeling of giving you is to sing in the middle of the person. The higher the speakers, the stronger this image. You can hear the singing sound from a point that is the same as a person. The mouth shape of its singing is very similar to the mouth shape of the real person.
Good speakers are layered. The sound of singing and the sound of accompaniment are never mixed. In addition to hearing the plane sense of the left and right, you can also hear the depth of space front and back. Try it, even if it is not a audio enthusiast, it is not difficult to hear these details.