Provided is an acoustic generator having high sound pressure even at a high frequency, and which is capable of suppressing the occurrence of a large peak-dip. The acoustic generator is provided with a film (3), a frame member (5) provided upon an outer peripheral portion of the film (3), a stacked piezoelectric element (1) provided upon the film (3) within the frame of the frame member (5), and a resin layer (20) which is filled within the frame of the frame member (5) so as to cover the stacked piezoelectric element (1).