A sound output system is provides. The system includes one or more sound output apparatuses, each sound output apparatus having been assigned an identification (ID) code; a server for storing the ID code and corresponding compensation parameters for each sound output apparatus; and an audio signal generating device, connected to the server through a network. The audio signal generating device includes a compensation parameter obtaining module for obtaining the ID code of a sound output apparatus if the sound output apparatus is connected to the audio signal generating device, and downloading compensation parameters corresponding to the ID code from the server; and a compensation unit for regulating audio signals according to the compensation parameters, and outputting the regulated audio signals to the sound output apparatus via an interface. Another sound output method is also provided.