Earphones and transducer devices thereof

An earphone including a support assembly and a core module connected to the support assembly, the support assembly being configured to support the core module and place the core module at a wearing position, the core module including a core housing and a transducer device, the core housing being connected to the support assembly, the transducer device being disposed in an accommodation cavity of the core housing, and the transducer device including a first magnet conductor, a coil, and a magnet assembly, wherein an orthographic projection of the coil on a reference plane perpendicular to a first reference direction surrounds a periphery of an orthographic projection of at least a portion of the first magnet conductor on the reference plane, an orthographic projection of the magnet assembly on the reference plane surrounds a periphery of the orthographic projection of the coil on the reference plane, the coil is fixed to an inner side of the magnet assembly facing the first magnet conductor, and the coil and the first magnetic magnet conductor are spaced apart in a second reference direction perpendicular to the first reference direction, and a magnetic field generated by the coil after an excitation signal is input interacts with a magnetic field generated by the magnet assembly to cause the first magnet conductor to move relative to the magnet assembly, the magnet assembly includes a first magnet and a second magnet stacked along the first reference direction, a direction of a magnetic field of the first magnet is different from a direction of a magnetic field of the second magnet, and an orthographic projection of the coil on an inner circumferential surface of the magnet assembly along a second reference direction overlaps with a junction between the first magnet and the second magnet, the second reference direction is perpendicular to the first reference direction, a first vibration transmission plate is connected to the first magnet, and a second vibration transmission plate is connected to the second magnet.