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Latest News

HE-350 Regenerative power regulator group buy

Based on some customers request,
we start the group buy.
If you like to join the group buy ,
send email to us before 31st. March .


R7_tda_Asy firmware had update in R7,R7HE

The update available for older R7,R7HE,R2R7 (optical on in4)

Click to view it

R8_tda_Asy firmware had update in R8

The update available for older R8

Click to view it

Ultra clock Accusilicon 318B promo

11th to 31st. March

Order any DAC or DAC+HP amp now,
 only pay USD30/pc can upgrade the built in stock clock to Accusilicon 318B .
Or pay USD10/pc to upgrade the built in TCXO to Accusilicon.
   100M for NFB-28,NFB-29 (except NFB11)
90M & 98M for R2R models (except R2R11)
100M + 90M & 98M for  D57,D77,D27,AS1,NFB-7.77

Only 100pcs for promo


I built a TDA1541AS2 DAC as hobby

R-28 (Edition 2019) released


Latest Reviews

NFB-28 review

Master 10 review

NFB-1AMP review1

NFB-1AMP review2

About Audio-gd :
            All Audio-GD’s products are designed and developed under the leadership of Mr. He Qinghua, the “First Prize Winner” of the National Semiconductor (USA) Audio Design Contest.
           With strong research and development capability in audio technology, Audio-GD offers a complete series of Hi-Fi equipments - DAC, preamplifier and power amplifier - with our signature “Audio-GD Current Signal System“ (ACSS) technology. Our ACCS technology transmits all audio signals via “Current” domain which offers the least colored, most detailed and neutral sound. In addition, we also master advanced audio technologies like power regeneration technology and full balanced audio technology. Our technology is on a par with the international famous audio equipment manufacturers.
           Audio-GD has been growing steadily over the years and is renowned amongst local and foreign customers. We insist on the build quality with no compromise. To ensure the best quality, every technician of our company is not only well experienced but also a Hi-Fi lover.

Our Principles:
           1. All our products are hand-crafted by well experienced technician. Quality is being our first priority without sacrificing efficiency.
           2. All our products undergo more than 100 hours of burn-in, listening and thorough testing.
           3. All components are carefully paired to obtain the finest sound.

The Products Have 10 Years  Repair Guarantee


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