The invention discloses a
sound production device, which comprises a basin frame, a vibration
system and a
magnetic circuit system, and is characterized in that the basin frame comprises a first basinframe and a second basin frame; the vibration
system comprises a first vibrating diaphragm, a second vibrating diaphragm, a
voice coil and a framework, wherein the first vibrating diaphragm and the second vibrating diaphragm are respectively fixed on the sides, far away from each other, of the first basin frame and the second basin frame, the two opposite ends of the framework are respectively fixed on the
voice coil and the second vibrating diaphragm, the framework and the
magnetic circuit system are arranged at an interval, the first vibrating diaphragm, the second vibrating diaphragm, thefirst basin frame and the second basin frame jointly enclose an accommodating space, and the
magnetic circuit system is accommodated in the accommodating space; and the magnetic circuit system comprises a
magnet yoke, a main magnetic steel, two auxiliary magnetic steels and a clamping plate, wherein the
magnet yoke, the main magnetic steel, the two auxiliary magnetic steels and the clamping plateare fixed on the second basin frame, and the clamping plate is fixed on first basin frame. Compared with the prior art, the
sound production device is simple in configuration, good in acoustic performance and reliability and wide in application range.