Speaker apparatus of mobile communication terminal for outputting high quality sound

The present invention provides a speaker apparatus using the diaphragm structure for providing high quality sound characteristics. In particular, the present invention is mounted in addition to a separate speaker unit in order to improve the resonator characteristic occurring on the rear of the speaker to a speaker apparatus using the diaphragm structure. This allows the back to get to the end of the resonator sound is presented is offset by the added sound through the speaker unit to improve the properties such as clarity, distortion. Speaker, distortion, diaphragm