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Free upgrade 35W transformer now .
 

NFB-15(Version 2014 )(Since 20th May 2014)

Discrete  DAC+ Headphone amplifier / Preamplifier
32bit / 384K Asynchronous Transfer  USB-32 Chip
Built in 2 Pieces Hi-end grade WM8741 Chips

Price:  USD250

   

       
Summarize Use Manual Specs Technology Detail Custom Option Shipping Cost

Click to read    FAQ
USB-32 Introduce and drivers download
Audio-gd products had design and test based on the AP SYS-2722 (The top-drawer professional equipment in world)


Summarize
Fully  discrete analog stages without any OPA and couple caps in the signal channels.
Non- feedback ACSS analog output stage .
Total of 6 groups dedicated power circuits  are used to purify the power supply.
Applies a custom order ALPS 27 volume pot for reducing channel imbalance and improving on sound quality.
3 channels digital input :   coaxial /  Optical / USB
DAC output :   RCA  (User can setting with either variable level as  DAC with preamp combo or fixed output level as dedicated DAC )
Headphone output : 6.3MM SE
Supports 2X , 4X and 8X oversampling customers setting
High-End grade parts built in , ALPS 27 volume pot , Toshiba optical receiver and transistors , gold plate pure copper RCA sockets ect.

 


 

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