Hey Now,
I'll second the Sony ZX-2 line out, sounds terrific as a source; sometimes I run it through an iFi iTube. I am limited to a low allowance on my home satellite internet, so I download Tidal offline content to the ZX-2, 128gb of storage, on the company wifi. It has proven to be a very versatile DAP, though Android support is limited, it is becoming more and more just a DAP. I also have an iMod (5.5 gen) I use as a source in another system. Which works quite well.
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Finest kind,
Chris