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Built in USB interface introduce and driver download:
On sale product driver download:      Amanero combo 384
Discontinued product driver download:      USB-32         Xmos U208

 

Discontinued Products

 

FPGA firmware update file download 
The FPGA update tool Quartus II install guide
Amanero firmware update guide

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

Italy
http://www.spiritsoundstore.com

Poland
http://www.4HiFi.pl
 http://www.interprojekt.pl

Russia
http://patefon.ru/brands/audio-gd

Ukraine
https://era-in-ear.com/shop/brand/Audio-gd

Romania
http://www.audioalchemy.ro

Slovak and Czech Republic
https://tmsound.sk/#Hi-fi

 

USA
https://www.underwoodhifi.com
/products/audio-gd

Malaysia
https://shopee.com.my/starspicker

 

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Vintage Audio World
http://www.vintageaudioworld.com/products/


Please note : The products have the blue and white display , shipping at random until all products with white display.

Foobar2000 setting guide for play PCM384 and DSD512:      Click to download

 

Digital Interface
 
DI-20HE


 


R-2R Resistor Ladders Real balanced All In One Models
 
R-28
(2022 Edition)

Balanced All In One    Out of stock
R-28 NOS

Balanced All In One
R-27 MK2

Balanced All In One

Real Balanced R-2R Resistor Ladders Dedicated DACs
 

R-1 NOS

R-8 MK3

R-8HE MK3

Regenerate Power Supply

R-2R Resistor Ladders decent DACs R-2R Resistor Ladders  All In One
R-7HE MK3 HE-7 MK3
PCM1704UK DAC

R-27 HE

R-27 RE


 


ES9028 & ES9038 DAC/headamp/Preamp All In One
 
NFB-11.28
Performance Edition
NFB-11.38
Performance Edition
D-28
Balanced

 


Headphone Amps And Preamp
 
HE-9 MK3
Balanced  regenerative power supply
HE-9 LE Master 9P MK2
Balanced headphone amp and power amp
Master 19
Balanced

 


Dedicated Full balanced Discrete Preamp
 
Dedicated Full balanced Vacuum Preamp
HE-1 MK3
Regenerative power supply
HE-1 LE Vacuum HE1 MK2
Regenerative power supply

 


Integrated Power Amps
 
Power Amps
Master 9P MK2
Balanced headphone amp and power amp
Master 10 MK2
Balance integrated amp
A1
Balance amp
Master-3A
 (50W Pure Class A)
Master 2A
(150W Pure Class A)

Regenerate Power Supply Power Amp
 

HE-2 MK2
Regenerate Power amp

 

Cables

Analog cables

Digital cables

Speaker cables

Power cables


 

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