Worldwide Agents: 1. We provide worldwide email technical enquiry and support - audio-gd@vip.163.com 2. Products purchased from our worldwide agents could obtain free local warranty service. For details, please visit the corresponding website below.
Netherlands http://www.magnahifi.com	France http://www.audiophonics.fr	Poland http://www.4HiFi.pl  http://www.interprojekt.pl	Italy www.spirit-torino.com
Ukraine https://era-in-ear.com/shop/brand/Audio-gd	Russia http://www.hi-audio.ru	Russia http://www.audiogd.ru/	Malaysia starspicker.lelong.com.my
Link exchange (Non agent)	Vintage Audio World http://www.vintageaudioworld.com/products/

All DACs  process DSD natively. (= No PCM conversion to decode DSD)

　

R-2R Resistor Ladders Products

R2R 11 All In One	R-28 Balance All In One	R2R 2 Single ended DAC
R-1 Balance DAC	R-8 Balance DAC	R-7 Balance DAC

ES9028 & ES9038 DAC/headamp/Preamp All In One

NFB-11.28 Single ended	NFB-29 Single ended	NFB-28 Balanced	D-27 Balanced	NFB-11.38 Only on request

ES9028 & ES9038  Balanced DACs

D-77 Dual ES9038	NFB-7.77 Dual ES9038	AS-1 Ultra low distortion Dual ES9028

Headphone Amps and Preamp

C-2 Preamp / Headamp	NFB-1AMP Balance preamp / Headamp	Master 9 Balance preamp / Headamp	Master 1 Balance preamp

Power amps

Precision 3S Power amp	A1 Balance amp	Master-10 Balance integrated amp	Master-3 Balance amp	Master-2H Balance mono amp