Automated Assembly and Testing Solution for Multimedia Controller utilizes robotics, vision positioning, and intelligent inspection technologies to enable highly precise automated assembly and ensure accurate component alignment. The assembly line integrates flexible tooling to support multi‑model production and quick changeover. The testing phase follows a modular design, covering application flashing, audio interaction testing, electrical performance testing, and high‑temperature aging tests. A data traceability system records key parameters in real time, improving quality control efficiency and meeting the stringent requirements of automotive electronics.