Loudspeaker and electronic equipment

The embodiment of the utility model provides a loudspeaker and electronic equipment. The loudspeaker comprises a shell, a magnetic circuit assembly, a vibrating diaphragm, a voice coil and a centering disk, the centering disk comprises a fixed end, a connecting part and a free end which are sequentially connected, the fixed end is fixedly connected with the shell, and the free end is fixedly connected with the other end of the voice coil; the connecting part comprises a first connecting section, a second connecting section and a third connecting section which are connected in sequence, the second connecting section is S-shaped, the first connecting section is fixedly connected with the fixed end and at least partially located between the second connecting section and the free end, and the third connecting section is fixedly connected with the free end and at least partially located between the second connecting section and the fixed end; wherein the width-to-thickness ratio of the connecting part is within the range of 3-8. By setting the proper width-to-thickness ratio of the connecting part, the transverse rigidity of the connecting part is large, the longitudinal rigidity of the connecting part is small, the centering effect of the centering disk is good, and the loudspeaker has high sensitivity and high stability.