It is an object of the invention to provide an improved speaker device equipped with an attachment member having formed thereon a reinforcing portion capable of inhibiting a deterioration of a sound characteristic. Another object of the invention is to provide an improved speaker device capable of efficiently disposing in a limited space close to the speaker an electronic element for controlling a signal being supplied to the speaker. The speaker device comprises a speaker unit, an attachment member for attaching the speaker unit to an attachment base. The attachment member comprises an attachment portion for attaching the attachment member to the attachment base, an attachment hole for attaching the speaker unit, a convex reinforcing portion formed along an entire or partial circumference of the attachment hole of the attachment member. The reinforcing portion has an inclined surface formed on the inner side thereof facing the side wall of the speaker unit.