Wisdom in mind,   enthusiasm at heart.

NFB-12.1

Discrete  DAC+ Headphone amplifier / Preamplifier
Built in 2 Pieces Hi-end grade WM8741 Chips

NFB-12.1 Price:  USD215

1,  Replace the RCA coaxial by BNC socket:
     Cost is USD10/per  without shipping delay  .
       

2, Replace the optical input by BNC/RCA socket:
     Cost is USD15 , 3 workdays delay .