... indication screen6.Classic aesthetics trapezoidal enclosure7.Exquisite iron guard8.Volume, guitar volume, echo, microphone volume, treble, bass separately control 9 ... a CD-layer to LINE IN. Connect the device with an electric outlet(230VAC/50Hz) LINE INPUT(DVD,CD-player etc.): ... line is cut off or not connectedNo power on the electric outletNO SOUNDWrong input,check input selectorThe connect line was ...