The utility model discloses a
sound production device and a
sound production module, the
sound production device comprises a shell, a
magnetic circuit system and a vibration
system, and the shell is provided with a first sound outlet hole; the vibration
system comprises a first vibrating diaphragm, a second vibrating diaphragm, a middle diaphragm and a
voice coil, the first vibrating diaphragm is arranged on one side, far away from the
magnetic circuit system, of the shell, the second vibrating diaphragm is arranged on one side, facing the
magnetic circuit system, of the first vibrating diaphragm, and the middle diaphragm is arranged between the first vibrating diaphragm and the second vibrating diaphragm; the
voice coil is at least partially arranged in the magnetic gap of the magnetic circuit system, and the middle diaphragm and the second diaphragm are located outside the
voice coil; the outer edges of the second vibrating diaphragm and the middle diaphragm are connected with the shell, and the inner edges of the second vibrating diaphragm and the middle diaphragm are connected with the first vibrating plate of the first vibrating diaphragm; a
second sound production cavity communicated with the first sound production hole is formed between the second vibrating diaphragm and the middle diaphragm; a first rear cavity is defined by the first vibrating diaphragm and the middle diaphragm, and a second rear cavity communicated with the first rear cavity is defined by the first vibrating diaphragm, the second vibrating diaphragm and the shell.