An electronic device according to various embodiments of the present invention may comprise: a housing comprising a first plate comprising an inner surface defining a part of a space inside the housing and an outer surface forming a part of the exterior of the housing, and a side member formed integrally with the edge of the inner surface and formed substantially perpendicular to the inner surface so as to form a recess together with the inner surface, the side member comprising an opening; a speaker structure arranged adjacent to the opening inside the recess, the speaker structure comprising a first surface comprising a speaker vibration plate facing the opening, and a second surface facing away from the first surface; an engaging member mounted substantially perpendicularly to the inner surface so as to fix the speaker structure to the housing; and a fixing member fixed to the housing so as to contact at least a part of the second surface and arranged so as to pressurize the second surface. The electronic device described above may be varied according to embodiments.