Disclosed is an electronic device including a sound output module. The sound output module includes a sound output housing and a motor unit positioned in an inner space and communicating with an inner space of the speaker unit to generate a vibration force. The motor unit may include a motor body forming a volume space communicating with the inner space of the speaker unit and a vibration body positioned in the motor body to generate a vibration force. A communication hole may be formed in an outer wall of the motor body for the inner space of the speaker unit and the volume space to communicate with each other.