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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
 
MM & MC RIAA preamp
DI-20 DI-20HE LP-1HE


 


R-2R Resistor Ladders DAC/Headamp/Preamp All In One
 
R-28
(2022 Edition)

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

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


2021 Edition Regenerate Power Supply R-2R DACs
 

R-7HE MK2
R-2R Resistor Ladders DAC
HE-7 MK2
PCM1704UK built in


 


ES9028 & ES9038 DAC/headamp/Preamp All In One
 
NFB-11.28
Performance Edition
NFB-11.38
Performance Edition
D-28
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 9
Balanced

HE-9
Balanced  regenerative power supply

 


Dedicated Preamp
 

HE-1
Balance preamp built in regenerative power supply

Vacuum HE1
Tube Preamp built in regenerative power supply

 


Power Amps
 

Precision 3
Single ended amp

A1
Balance amp

Master 10 MK2
Balance integrated amp

Master-3A
 (50W Pure Class A)

Master 2A
(100W Pure Class A)

HE-2 MK2
Regenerate Power amp

 



 

Cables

Analog cables

Digital cables

Speaker cables

Power cables

PCM1704UK chips


 

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