A display device includes a display unit, a sound unit, a speaker positioning mechanism and a speaker attaching mechanism. The display unit is configured to display images. The sound unit is configured to output audio. The sound unit has top and bottom left speakers and top and bottom right speakers. The speaker positioning mechanism is configured to detachably support the sound unit and move the sound unit away from and close to the display unit in a lateral direction of the display unit. The speaker attaching mechanism is configured to detachably couple the sound unit to upper and lower faces of the display unit.