Cleanest BHK Preamp Input

I’m picking up a BHK Preamp soon; will only have at PSA DS DAC as an input, output going to BHK250. Using XLR interconnects, DAC to BHK Preamp, then BHK Preamp to BHK250 amp. What is the cleanest, lowest noise floor input out of all the BHK Preamp inputs?

That is the XLR’s reason to exist :innocent:

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I don’t know that any of the inputs are any different.