Sound generating unit and sound generating module

A sound generating unit, comprising:

• a housing having an accommodating space and a sound outlet in communication with the accommodating space;
• a magnetic circuit unit accommodated in the accommodating space, the magnetic circuit unit comprising a first magnetic assembly and a second magnetic assembly spaced apart in a first direction, the first magnetic assembly having a first magnetic gap, the second magnetic assembly having a second magnetic gap, and the first magnetic gap and the second magnetic gap being arranged opposite to each other in the first direction;
• and
• a vibration unit positioned between the first magnetic assembly and the second magnetic assembly, the vibration unit comprising a diaphragm and a voice coil connected to the diaphragm, the diaphragm comprising a vibrating plate and a surround arranged around the vibrating plate, the voice coil comprising a first voice coil portion and a second voice coil portion located on opposite sides of the vibrating plate in the first direction, the first voice coil portion being positioned in the first magnetic gap, and the second voice coil portion being positioned in the second magnetic gap,
• wherein the first voice coil portion and the second voice coil portion are wound from a same wire, and the vibrating plate comprises an inner vibrating plate connected to an inner wall of the voice coil and an outer vibrating plate connected to an outer wall of the voice coil.