To surely listen an inner notice and a store announcement while playing a game listening to music and to enjoy both of the game and the music.

An operation signal from a player operation means 20 is transmitted to an amusement acoustic means A via an input changeover control circuit 23 and an acoustic means changeover circuit 16. Amusement sound is transmitted from the amusement acoustic means A receiving the operation signal to the input changeover control circuit 23 and output to the outside by an outside output means C. When an interruption signal is sent from an interruption control circuit 19 to the input changeover control circuit 23, the input terminal of the input changeover control circuit 23 is changed over and the amusement sound from a store announcement tuner 17 or a game machine main board 18 is transmitted to the outside output means C to be output to the outside.