The invention discloses an improved structure of a car audio. The improved structure comprises a cover body, a box body, shock absorption elements, a power line and a circuit board. The box body is asquare structure with an opening at one end. The cover body is fixed at the opening end of the box body. The power line and the circuit board are fixed in the box body through the shock absorption elements with elastic performance. The improved structure is scientific and simple in structure design, is convenient for use and has good shock absorption effect, internal components of the car audio are protected well, the improvement of the service life of the car audio is facilitated, and the popularization of the product is facilitated.