| 摘要 |
A micro speaker is provided to extend low tone area and to suppress divided vibration by attaching a diaphragm to the inside of the micro speaker. A micro speaker includes a supporting frame(140), a yoke(110), a magnet(120), a plate(130), a diaphragm(200) and a voice coil(150) attached to the diaphragm. The diaphragm includes a first diaphragm attached with the voice coil, and a second diaphragm attached to the outer circumference of the first diaphragm, and is separately manufactured to have different intensity from the first diaphragm. The micro speaker further includes a ring placed on an end protrusion formed in the supporting frame. |
