A speaker unit includes a frame that secures a diaphragm of a speaker at an outer circumference of the diaphragm, a magnetic circuit, a first leg that extends from a portion of an inner wall of the frame in a vicinity of a front of the speaker to the magnetic circuit, and that secures the magnetic circuit to the frame, and a second leg that extends from a portion of the inner wall of the frame in a vicinity of a rear of the speaker to the magnetic circuit, and that secures the magnetic circuit to the frame.