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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

Thailand
https://www.facebook.com/
MsoundPechponk/

Malaysia
https://shopee.com.my/starspicker
Vietnam
Tel: 0919019298
https://www.facebook.com/
HeadWorldAudio
USA
https://www.underwoodhifi.com
/products/audio-gd
Romania
http://www.audioalchemy.ro
 

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




 

Digital Interface
 
DI-20 DI-20HE


 


R-2R Resistor Ladders DAC/Headamp/Preamp All In One
 
R2R-11 mk2

Single-Ended All In One
R-28
(2022 Edition)

Balanced All In One
R-27
(2021 Edition)
Balanced All In One

MK2 Edition Real Balanced R-2R Resistor Ladders Dedicated DACs
 
R-1
(2021 Edition)
R-8 MK2 R-7 MK2


Regenerate Power Supply
R-2R Resistor Ladders decent DACs
 

R-8HE MK2

R-7HE MK2

HE-7 MK2
PCM1704UK DAC


Regenerate Power Supply
R-2R Resistor Ladders DAC/HP amp/ Preamp
 

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
D-27
Balanced

ES9028 & ES9038 
Dedicated Balanced DACs
 

D-77 (2021 Edition)
Dual ES9038

AS-1 (2021 Edition)
Ultra low distortion Dual ES9028

 


Headphone Amps And Preamp
 

A 2
Single ended

Master 19
Balanced

Master 9P
Balanced headphone amp and power amp
HE-9 LE

HE-9 MK2
Balanced  regenerative power supply


 


Dedicated Full balanced Discrete Preamp
 

HE-1 MK2
Regenerative power supply

HE-1 LE


 


Dedicated Full balanced Vacuum Preamp
 

Vacuum HE1
Regenerative power supply

Vacuum HE1 LE

 


Power Amps
 

A1
Balance amp

Master 9P
Balanced headphone amp and power amp

Master 10 MK2
Balance integrated amp

Master-3A
 (50W Pure Class A)

Master 2A
(100W Pure Class A)

Master 2H
(250W Class A)


Regenerate Power Supply Power Amp
 

HE-2 MK2
Regenerate Power amp

 

Cables

Analog cables

Digital cables

Speaker cables

Power cables

PCM1704UK chips


 

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