Wisdom in mind,   enthusiasm at heart.

NFB-1P (32Bit / 192K )
Dedicated Discrete Fully Balanced DAC
32bit / 384K Asynchronous Transfer  USB-32 Chip
32bit / 192K Sabre ES9018
　

1, SPDIF interface :
     The default SPDIF interface is WM8805 module, it can free to replace by the DIR9001 module while place the order . Customer can buy the extra DIR9001 module cost USD22.5 .
     What different between the DIR9001 and WM8805 modules : The WM8805 sound slight warmer , support up to 192KHz . the DIR9001 sound quite neutral, support up to 96KHz .

2, Custom order BNC input :
     The RCA coaxial input sockets can replace by BNC sockets , cost is USD10/per  without shipping delay   .
       
3, Custom order two pair RCA outputs:
      If customers don't want ACSS output , replace by RCA output free and without shipping delay   .


4, Upgrade TCXO for USB chip and ES9018.
     There are two TCXO can for upgrade, Cost is USD20 / per without shipping delay .