This fixed bracket ensuring a perfectly fit with the previous midrange speakers and achieving seamless installation. By fixing it with a stable bracket, it can effectively reduce the distortion caused by speakers vibrations, improve sound clear and low frequency . Adopting a simple plug-in designs, it is and greatly saves time and cost for replacement and maintenance. The bracket is make of high strength , which has excellent impacts resistance and temperature resistance, and can maintain stable under various conditions with a long service life. Light weight and easy to operate, users do not need to worry about the inconvenience caused by excessive weight during installation, and it also contributes to the overall light weighting of the vehicle.