Speaker device

A speaker device, comprising a frame, a vibration unit fixed to the frame and a magnetic circuit unit driving the vibration unit to vibrate and produce sound, wherein the magnetic circuit unit is provided with a magnetic gap, and the vibration unit comprises a diaphragm fixed to the frame, a holder fixed to the diaphragm by injection molding, and a voice coil inserted in the magnetic gap and connected to the holder;

• and
• the holder comprises a bottom wall that is fixed to the diaphragm and provided with a pair of long edges and a pair of short edges, and a pair of side walls, each of the pair of side walls bends and extends from an outer periphery of one of the pair of short edges of the bottom wall toward the magnetic circuit unit;
• each of the pair of side walls is provided with a chamfered portion on a side close to one of the pair of long edges;
• each of the pair of side walls comprises a bottom portion close to the bottom wall and a top portion away from the bottom wall;
• and the chamfered portion comprises a chamfered edge extending obliquely from the top portion toward the bottom portion;
• wherein the bottom wall is ring-shaped;
• the holder further comprises a connecting portion bending and extending from an inner periphery of the bottom wall toward the magnetic circuit unit the voice coil is fixed to and connected to the connecting portion;
• and the bottom wall, the pair of side walls, the connecting portion and the voice coil together define an accommodating space.