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I don't know the details but....

Posted by AbeCollins on July 15, 2023 at 15:24:00:

I'm not familiar with the GaN FET amp modules but the first GaN FET amp from Peachtree was digital input only. If I'm guessing correctly there is no built-in DAC but they let the digital input signal more directly control (modulate) the pulse width modulated (PWM) nature of Class D amps. So these would be digitally modulated Class D ?