PUBLIC ADDRESS SYSTEM TO WHICH THE ELECTRIC POWER SUPPLIED DUE TO ENHANCED STRUCTURE OF SIGNAL CABLE

摘要

PURPOSE: An exclusive broadcasting system is provided to improve wiring work efficiency by enabling a user to connect a remote amplifier with a main body unit. CONSTITUTION: A power source supply unit(8) is installed at a main body unit. The power source supply unit supplies a power source at a remote amplifier. Mobile terminals are included in the remote amplifier and a speaker matrix. The mobile terminal provides predetermined elastic force. The both ends of a signal cable are connected to the mobile terminal of the speaker matrix and the remote amplifier. A voice signal is transmitted through the signal cable.