Wisdom in mind,   enthusiasm at heart.

NFB-1(Version 2014 )(DSD / DXD )(Since 1st May 2014)
Dedicated Discrete Fully Balanced DAC
DSD , DXD support from USB
32bit / 384K Sabre ES9018
32bit / 384K Asynchronous Transfer  USB-32 Chip

1, SPDIF interface :
     The default SPDIF interface is feed to ES9018 direct, it setting applied WM8805 or DIR9001 through change few jumpers .If customers don't want change the neutral sound flavor , don't need buy these modules . Customer can buy the extra WM8805 or DIR9001 module cost USD22.5 /per .
     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 .