I think you missed my point cause I have DSD upsampling DAC's and think they're better than PCM dacs for sure. I've just never found filters particularly useful and Sony has a history of marketing gimmicky features like that (DSEE has been their gimmick for a decade).
Yeah i heard that you like that found the DSD upsampling from dac's good actually, good to hear, i was just generalizing before, sorry to not point that
And you never seen any other person to care about those 'filters' because.. It's real, because i really care about them, would be the only way to play old console in toslink optical
with upsampled audio, years ago was unthinkable, as i said i really like 'upsampled audio hi-res' audio and i got almost all Sony stuff, my Xperia maybe can work as hi-res audio player without Spending money on walkman (I don't really know if walkman's got better sound quality to connect the Amp vs PC or smartphones, but my foobar2000 is buzzling a little, i just hope with Xperia or sony hi-res audio player will work nice and without buzz), anyway i don't buy the TA-ZH1ES for music, well it's nice to have some music, but i'll use mostly for gaming, i could probably be the first to buy that for gaming purpose ahah
And yeah, Dsee hx and DSDre filters also really work as a marketing specs, work as their business..
Anyway i only heard great things about this amp, and, his main streght could probably be is durability, Sony is known for that, TA-ZH1ES seems not excepcion, i think even in 10-15 years this amp will work perfectly.. And maybe something like THX 789 and SMSL D1 dac could fall after short years? Maybe that already happened to someone..