I looked into this and JRiver says that up-sampling only makes sense if you have a low quality DAC.
This only makes sense because your DAC is effectively doing just that as it converts to analog.
This is one reason all these up-sample converters are a waste of money just like signal boosters and filters on USB lines.
Hi,
i tried a filter on USB line. Audioquest, Jitterbug to be precise. Works by producing natural, clear and less harsh sound. though the difference is not much. I use world's least expensive high resolution dac. and budget interconnects and speaker cables. The 3 things you point out are a waste of money, probably feel this way because the Oppo 105D has a great dac.
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