The ESP32 has two I2S peripherals, so 4 channels with afaik a max resolution of 32 bit. I suppose you can run them off a common clock, but I‘m not sure. Do you

The ESP32 has two I2S peripherals, so 4 channels with afaik a max resolution of 32 bit. I suppose you can run them off a common clock, but I‘m not sure. Do you need analog inputs? This board has two input channels and two output channels via on-board DAC / ADC.