A new-comer for ultra-low budget USD 90.
x2 NDK clocks 45/49MHz, XMOS XU208, ES9018K2M
signed and customised Thesycon driver 4.14 for minimum latency setting
OP amp replaceable (DIP8)
Windows Server 2012R2 GUI
KS, ULTRAstream 350Hz/0.01sec for 44.1kHz/16-bit, 170Hz/0.01sec for DoP128
It came yesterday. I ordered the OP amp MUSES02 for replacement but it has not arrived yet.
Even with the original OP amp, its performance is amazing. You can never guess its selling price from the sound.
My JPLAY reference system (both i5, WS2012R2 GUI + WS2016 Server core, x2 NET Card FEMTO, x1 USB Card FEMTO) with Matrix Audio X-SPDIF 2 DDC (also with XMOS XU208) is quite stable with all the input formats up to DoP256 under KS/ULTRAstream/700Hz/0.01sec, set to minimum latency and 64 samples in the driver appliation.
No wonder D10 is also stable under the same setting, as the XMOS chip is identical and both Windows drivers are basically the same (4.14 and 4.12).
DoP256 is not supported by D10, although Topping home page says it is.
With smaller numbers of DAC Link frequency, D10 sounds dull and its sound is cheap reflecting its price, for example, 20Hz/1sec.
D10 operates with USB bus power. Using the JCAT USB Isolator is no problem at all.
DSD256 RAW (native) via foobar2000 with Super Audio CD Decoder component as well as DSD Transcoder is also quite stable with Topping ASIO driver (= Thesycon).
D10 with Linux MPD sounds dynamically, in some sense more dynamic than Windows. My current Linux settings are not capable of playing DSD RAW with D10. WAV files sound with lots of energy and the sound stage is coming forward.
D10 has a coax and optical digital output up to PCM192kHz. There is no output of DoP64 as PCM176.4kHz. When I connect its coax output to my ES9038PRO DAC, the sound stage becomes thicker and more elegant, which relieves me, for my DAC costs x20 times as much as D10.
For those who have an "old" DAC regardless of its price or even a relatively new one but without built-in XMOS USB interface, D10 might be a killer.
The AliExpress spring sale starting next week gives a very nice price of USD 75, the same as Massdrop but without waiting time.
I will update when the OP amp MUSES02 has come.