A loudspeaker device includes: a magnetic circuit that includes a yoke, a magnet, and a top plate; a voice coil body; a diaphragm; and a frame that holds the yoke and the diaphragm. The frame includes a through hole that holds the yoke at a predetermined position with the yoke being inserted into the through hole. The yoke includes a protrusion portion that abuts an outer peripheral surface portion of the frame that defines the through hole, with the magnetic gap being inside the frame.