Patent attributes
The present disclosure provides speaker device. The speaker device includes frame, vibration unit and magnetic circuit unit, where vibration unit includes diaphragm, voice coil and holder; holder includes holder body and first connecting portion; voice coil includes pair of first sides and pair of second sides; first side is provided with elastic support member fixed to frame and fixed to first connecting portion; elastic support member and first side enclose an accommodating space; magnetic circuit unit includes main magnetic body and an auxiliary magnetic body; auxiliary magnetic body includes first magnetic portion that is respectively spaced apart from first side and located in accommodating space; elastic support member include an auxiliary diaphragm; auxiliary diaphragm is provided with an avoiding groove. The present disclosure can increase volume of magnetic circuit unit to increase BL value, and can effectively reduce weight of vibration unit to improve sensitivity.