Speaker module and smart headset

A speaker module, comprising:

• a speaker housing;
• a first sounding unit;
• and
• a second sounding unit;
• wherein an accommodating cavity is defined in the speaker housing, the accommodating cavity comprises a first space and a second space;
• the first sounding unit is fixed in the accommodating cavity, the first sounding unit divides the first space into a first rear sound cavity and a first front sound cavity, a first speaker hole is defined on a first surface of the speaker housing, the first front sound cavity is communicated with an exterior of the speaker housing through the first speaker hole;
• and
• the second sounding unit is fixed in the accommodating cavity, the second sounding unit divides the second space into a second rear sound cavity and a second front sound cavity, a second speaker hole is defined on the first surface of the speaker housing, and the second front sound cavity is communicated with the exterior of the speaker housing through the second speaker hole.