Loudspeaker for a portable communication device

摘要

A loudspeaker has first and second diaphragms provided in a case. A first voice coil (32) is provided for vibrating the first diaphragm (27), and a second voice coil (33) is provided for vibrating the second diaphragm (30). A first permanent magnet (23) is provided for applying a magnetic flux to the first voice coil, and a second permanent magnet (25) is provided for applying a magnetic flux to the second voice coil.