The utility model provides a sound capable of ensuring that the desk set emits the sound. The sound comprises a sound shell. A flat loudspeaker is arranged at the bottom of the sound shell and is connected with an audio power amplification circuit. The audio power amplification circuit is connected with a power supply circuit, and the flat loudspeaker comprises a driving loop generating the audio oscillation. One end of the driving loop contacting with the desk set is extended out from the sound shell, and an NXT flat loudspeaker is adopted for the flat loudspeaker. A supporting gasket is arranged at the bottom of the sound shell, and the supporting gasket is the one, the height of which can be slightly regulated. The sound does not emit the sound, but can transform other articles contacting with the sound into an enormous sound emitting board and recover the sound through the audio oscillation on the surfaces of the articles so as to emit the beautiful music, thereby intensifying the use interesting of the sound. In addition, the utility model has smartly designed integral structure and extremely convenient usage, and saves the space of the desktop.