Door Phone Cable

Main Functions:

*Built in MP3 player,FM player,freely switch between two modes,*USB disk and SD card plug and play,*With remote control, easy for operation,*With 2*microphone inputs,3*Aux inputs,1*Aux output,*With 2 zones,independent volume control for each zone,*With 70/100V,4-16Ω inputs,*MIC1 with priority,*With circuit protection for signal overload, high temperature, line short  and with respectively indicator lights.