LOUDSPEAKER

原文（中国語）

A loudspeaker, comprises a magnetic circuit system and a vibration system. The magnetic circuit system comprises a central magnetic component and a magnetic frame component. The vibration system comprises a voice coil, and a first diaphragm and a second diaphragm fixed on the magnetic frame component. The first diaphragm and the second diaphragm are on two sides of the central magnetic component. The voice coil comprises an upper portion and a lower portion. The upper portion is connected with the first diaphragm and coiled in a first direction. The lower portion is connected with the second diaphragm and coiled in a second direction or is set as a fixed member.