Provided is a connector converter, comprising a shell, a circuit board assembly and a connecting wire, wherein the circuit board assembly comprises a digital signal board integrated with a digital circuit, the digital signal board being provided in the shell, and the digital signal board being provided with a plurality of output interfaces; the shell is provided with outer pockets positioned corresponding to the output interfaces; and an inner end of the connecting wire is provided with a metal plate, the metal plate being embedded in the digital signal board and electrically connected to the digital signal board via a connecting terminal, and an outer end of the connecting wire extends out to the outside of the shell and is provided with an input interface. The metal plate is in embedded connection with the digital signal board.