Loudspeaker, electronic device and mobile device both including the same, and method of producing the same

A loudspeaker comprising:

• a frame provided with a through hole;
• an upper plate having a main part coupled with a lower face of the frame;
• a magnet under the upper plate;
• a lower plate under the magnet;
• a center pole disposed at a central part of the lower plate, the center pole forming a magnetic gap between the center pole and the upper plate;
• a diaphragm coupled with an outer circumference of the frame;
• and
• a voice coil having a first end coupled with the diaphragm and a second end inserted in the magnetic gap,
• wherein the upper plate has an insertion part provided at a part of an outer circumference of the main part, inserted into the through hole, and having a penetrating part penetrating the frame and being bent.