Hello,
I‘m currently using an analog DAC with S202 power amplifier. I would like to ask about what input impedance of s202 would be ideal for using with analog dac.
The 300 Ohm and 1.2K settings will both work. My guess is that the 1.2K setting will have best sound quality, but its not something I have ever tried, so you may want to try both and select the best setting. I would avoid the 75 Ohm setting as that has the potential to overheat the internal amplifiers in the DAC.
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