Acoustic super-unit, acoustic super-unit group, loudspeaker cover, loudspeaker and vehicle

The invention discloses an acoustic super unit, an acoustic super unit group, a loudspeaker cover, a loudspeaker and a vehicle, the acoustic super unit comprises a main body, a cavity is formed in the main body, the inner wall of the cavity comprises a first side wall and a second side wall which are opposite to each other, at least one of the first side wall and the second side wall is provided with an extending part extending towards the other one of the first side wall and the second side wall, and the free end of the extending part is separated from the other one of the first side wall and the second side wall. According to the acoustic super unit provided by the invention, the sound difference between the front surface and the side surface is weakened, so that the sound field of the transmitted sound is relatively uniform, and the hearing feeling is improved.