It can protect the speaker, thus the speaker will not be easily pressed, moreover, the speaker will not be filled with dust and it will not soon become old.
Easy to use, used for decorating the speaker, it looks beautiful and generous, and it can be used in confidence.
Let the high, medium, bass sound not be too directional so that they can blend harmoniously.
Via pressing, the cap is with a slight elasticity, and it can rebound and recover, not easily deformed.
If the high, medium, bass sound speakers' distance is far away, you will feel a pronunciation of treble and a sound of the bass, moreover, the sound is not very mixed.