The working principle of digital power amplifier

                               The working principle of digital power amplifier

Firstly, the received analog audio signal is converted into a digital signal through an analog-to-digital converter (ADC), and then the digital signal is processed by a digital signal processor (DSP) through filtering, equalization, reverberation, etc. to improve the fidelity of the audio signal; Next, the processed digital signal is restored to an analog signal through a digital to analog converter (DAC); Finally, the analog signal is sent to the output stage amplifier for power amplification to drive the speaker to play sound. This method enables digital amplifiers to have high efficiency, low distortion, and good thermal stability.