Operating Voltage:AC12V 0.8A or above
AC 12V IN:Apply with 5.5*2.1plug,with AC 12V transformer.If you want to use no plug AC 12V
transformer,you need to soldering the cable on the board.
Note:Do not use DC power in,otherwise the item will not work.
Audio Input:Can connect the mobile.computer,MP3 and music player etc.
Audio Output:Can connect with the amplifier board etc.