A terminal, comprising: a first middle frame; a second middle frame; a rotating assembly, located between the first middle frame and the second middle frame, and connected with the first middle frame and the second middle frame respectively; a first screen, with the back surface covering the first middle frame, the second middle frame and the rotating assembly; wherein the first screen is a folding screen; the terminal is characterized in that it further comprises: a first audio assembly, arranged in an upper section of the first middle frame, and connected to the top end of the first middle frame through a sound output channel to output sound; a second audio assembly, arranged in a lower section of the first middle frame, and connected to the bottom end of the first middle frame through a sound output channel to output sound; a third audio assembly, arranged in an upper section of the second middle frame, and connected to the top end of the second middle frame through a sound output channel to output sound; and a fourth audio assembly, arranged in a lower section of the second middle frame, and connected to the bottom end of the second middle frame through a sound output channel to output sound; a second circuit board, arranged between the top end of the first middle frame and the first audio assembly; the second circuit board and the sound output channels corresponding to the first audio assembly are stacked in the thickness direction of the first middle frame; and/or, a third circuit board, arranged between the bottom end of the first middle frame and the second audio assembly; the third circuit board and the sound output channels corresponding to the second audio assembly are stacked in the thickness direction of the first middle frame. a first middle frame; a second middle frame; a rotating assembly, located between the first middle frame and the second middle frame, and connected with the first middle frame and the second middle frame respectively; a first screen, with the back surface covering the first middle frame, the second middle frame and the rotating assembly; wherein the first screen is a folding screen; the terminal is characterized in that it further comprises: a first audio assembly, arranged in an upper section of the first middle frame, and connected to the top end of the first middle frame through a sound output channel to output sound; a second audio assembly, arranged in a lower section of the first middle frame, and connected to the bottom end of the first middle frame through a sound output channel to output sound; a third audio assembly, arranged in an upper section of the second middle frame, and connected to the top end of the second middle frame through a sound output channel to output sound; and a fourth audio assembly, arranged in a lower section of the second middle frame, and connected to the bottom end of the second middle frame through a sound output channel to output sound; a second circuit board, arranged between the top end of the first middle frame and the first audio assembly; the second circuit board and the sound output channels corresponding to the first audio assembly are stacked in the thickness direction of the first middle frame; and/or, a third circuit board, arranged between the bottom end of the first middle frame and the second audio assembly; the third circuit board and the sound output channels corresponding to the second audio assembly are stacked in the thickness direction of the first middle frame. a first audio assembly, arranged in an upper section of the first middle frame, and connected to the top end of the first middle frame through a sound output channel to output sound; a second audio assembly, arranged in a lower section of the first middle frame, and connected to the bottom end of the first middle frame through a sound output channel to output sound; a third audio assembly, arranged in an upper section of the second middle frame, and connected to the top end of the second middle frame through a sound output channel to output sound; and a fourth audio assembly, arranged in a lower section of the second middle frame, and connected to the bottom end of the second middle frame through a sound output channel to output sound; a second circuit board, arranged between the top end of the first middle frame and the first audio assembly; the second circuit board and the sound output channels corresponding to the first audio assembly are stacked in the thickness direction of the first middle frame; and/or, a third circuit board, arranged between the bottom end of the first middle frame and the second audio assembly; the third circuit board and the sound output channels corresponding to the second audio assembly are stacked in the thickness direction of the first middle frame.