To switch automatic reproducing device for sound by the reproducing device used for the reproduction system.

The reproducing device of the reproduction system is equipped with a reception part 2 which receives an identification signal, an identification signal decision part 3 which decides the identification signal received by the reception part 2, an information signal storage part 5 which stores the information signal while relating it to the received identification signal, a reproduction part 6 which reproduces the stored information signal, a reproducing operation switching part 4 which starts and stops the operation of the reproduction part, and a control part 4 which reads the information signal related to the identification signal out of the information signal storage part 5, reproduces it by the reproduction part 6, and turns on and off the operation of the reproduction part 6 by the reproduction operation switching part 4.