Digital audio amplifier chips are audio amplification solutions based on digital signal processing and high-efficiency power conversion technologies. They can directly process, modulate, and amplify digital audio signals to achieve high-quality audio output. Compared to traditional analog amplifiers, digital amplifiers offer advantages such as high conversion efficiency, low power consumption, low heat generation, and compact size, providing stronger sound performance and better battery life within limited space. SI digital audio amplifier chips integrate advanced digital modulation technology, intelligent algorithms, and a high-efficiency power management architecture, supporting dynamic sound effect optimization, speaker protection, and intelligent power adjustment to achieve a low-distortion, high dynamic range audio experience. These products are widely used in smartphones, tablets, smart speakers, wearable devices, car audio systems, and AI terminals, providing high-quality, high-efficiency audio output solutions for smart devices.