hassan789 wrote:Basically, you can output audio via:
PWM
PDM
I2S
DAC

How many watts are you trying to output? 100mW, 1W, 10W?
Are you trying to output to headphones or speakers?

1W,a speaker.
I see the reply on the 2nd floor is very good, I intend to use his suggestion, use a codec.
Thank you for your reply!

Technically: yes, the ESP32 has two DACs you can use to directly output an analog signal. You can digitally divide the signal going to this to get some kind of volume control. In practice, these DACs are only eight bit, so audio quality won't be exactly HiFi, so you may want to grab an external cod...

Hello, I have a product that's going to use esp32, which has a network radio playback function.Now I know ESP32 I2S interface can output the data to a digital power amplifier, and speakers. But I'm not quite sure ESP32 could directly output audio stream.If it can output audio streams, can the progra...