| 摘要 |
The present invention relates to a slim speaker using a fixed dual voice coil and a magnetic vibration plate, more specifically, to a high output slim speaker without a permanent magnet and a yoke, which fixes two voice coils to face each other, places a magnetic vibration plate between the two voice coils, and vibrates the magnetic vibration plate by using force applied between the magnetic vibration plate and electromotive force generated in the center of the coils in order to perform a speaker operation. |
