An appliance is provided which can be easily assembled, assures quality and reliability, and can be downsized. A voice output unit includes: a power source supplying power; a signal processing module which processes voice signals received from an external source, and amplifies the processed voice signals processed; a speaker module transmitting the amplified voice signals as voice signals; and a stereoscopic circuit board on which the power source, signal processing module, and speaker module are assembled, and includes electrodes which are in electric contact with electrodes of the foregoing components.