Maybe but i'm thinking about the best alternative to produce best sound

Can i use the inputs in the red circle in the attached image, to supply 5 Volts from a linear power supply to the Singxer F-1, or how can i do it?? Thanks for you help

Hello   Is there a way to update Firmware in the Audio GD Amanero Combo 384 Interface???   

    Thanks so much for the info, this forum is great :)

Hello   I'm thinking about using this kind of cable, cut the cable and make connections there   To connect a Xmos U208 to the gustard   What dou you think ??

  Thanks for that Roberto!!!!!  -12 db and my system now sound so smooth, less aggressive and much more enjoyable,  great!!!!!

The original X20 USB board   Looks like is the same as de X12

Looks like a new USB input board for X-20, XMos Based     http://www.ebay.com/itm/GUSTARD-DAC-X20U-HiFi-DAC-D-A-Converter-Dual-ES9018-XMOS-USB-384KHZ-DSD-DOP-384K-/262229801912?hash=item3d0e1d3bb8:g:NMEAAOSwL7VWiGTm

    Yes !!!!

HQPlayer, Poly-sinc Filters converting to DSD 128, Player and tracks in RAM Disc on Gustard X20 is an amazing sounding Combo!!!!!!!!!! 

The Clock settings in my just received DAC-X20 are Normal and Auto.

Can some one please, explain this DAC-X20 feature   "Automatic adaptation master clock technology and Asynchronous master clock technology。 Two clock mode can be freely selected. "   Thanks

Thanks, for all your help!!!!!!!!!!!

  I Have a NFB-7 and planning to use the I2S input with the Melodious, even if only PCM, because the Audio GD USB-32 don't work well with OS X at 384 Khz

Can you please post the PIN configuration you plan to use??      Thanks