How to wire the car power amplifier?

Connection mode of automobile power amplifier: 1. If the standard bus horn is wired directly under the plastic cover of the driver's seat 1t-2t, you will see an 8-square-hole rectangular plug with 4 holes above and 4 holes below, and the first hole above and the first hole below form a set of horn circuit; 2. Others and so on. Specifically, which group can be powered by dry batteries and which group of speakers ring. If your car amplifier output is standard, you can plug it in directly. As for how to connect the power supply, I think you will; 3. If it is a car; Open the top cover of the power amplifier. Generally, there will be a picture on the back of the top cover.