I did not say nor claim myself  that nobody can hear difference between dac especially from different design...

My chinese HIDIZS dac is more detailed than my more organic french NOS dac TDA 1543 By Christophe Mariac...

But i said that it is way more wise to experiment with acoustics parameters and learn basic concepts than buying "upgrading" dac :

Audio Masterclass

https://www.youtube.com/watch?v=hOOHneFYGYA

i dont have topping dac, i own a french NOS dac and a Hidiz dac...

And a very costly dac as you suggested dont couple well with low cost products...

i am interested more  by acoustics basic than by gear pieces...budget command and knowledge beat upgrades if not it replace it with a satisfying alternative.

@mahgister : "

"Wise post!
I dont need to write anything more..."

And then......?
Seriously though, rather than look at poor Topping Dacs, if you want to look at real high quality Chinese Dacs look at Audio Music Dac/1.

i am very happy with my Douk Chinese  tube pre-amp  equalizer at a peanuts cost with 7 tones control...

I am very happy with my Hidiz AP 80 pro dac+equalizer+ music files bank at a peanuts cost right now...

 I am very happy with my  battery headphone amp Fosi for my second pair of headphone (movies documentary) at peanuts cost...

 I own   powered Edifier low cost speakers also a Chinese product...

My room acoustics and headphone modification and synergy make my system  at low cost totally satisfying for my needs...

I am very picky about sound quality, the reason why i concentrate on acoustics for years of experiment...

China is not another planet, only a "new" player which had 5,000 years of history and engineering...

My music listening is primary my optimized headphone AKG K340, German top design of the golden era, and incidentaly  modified speakers in near field with acoustics room controls (Helmholtz resonators Schuman generators  etc)...

Acoustics rules.

Wise post!

I dont need to write anything more...

I learned long ago when I could still hear well that electronics account for a small part of one’s sound compared to transducers and room acoustics. But like most of us I like nice things, so I have gone through many amps, preamps, CD players, etc. 

DACs seem like a problem solved. My SMSL DO200Pro ($400) does me fine.  Even with tariffs it will still be a bargain. 

I had a french NOS dac  and a low cost chinese one Hidz pro 80...

Each has his synergy with one or the other of my 2 system...

 Synergy of the dac with amp and pre-amp  beat the country of design and even price  as decisive factors in my experience ....Especially in low cost system gear as mine...