AUDIO-GD NFB-28.38 DAC / Headphone Amp / Preamp 32bit / 384kHz ES9038Pro

AUDIO-GD NFB-28.38 DAC ES9038 / Preamp / Headphone Amplifier DSD TCXO

The Audio-GD NFB-28.38 integrates the exceptional DAC ES9038Pro and ensures outstanding audio performance. It also incorporates USB Amanero and I2S HDMI.


  • DAC ES9038Pro
  • 32bits 384kHz
  • USB Amanero / I2S HDMI
  • TCXO
  • DSP Altera Cyclone II

Average votes for this product
5.0 / 5

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Shipping date: 28-02-2020.

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Versatile, efficient, unmissable

The Audio-GD DAC NFB-28.38 is back in 2017 with the new ESS Saber ES9038Pro chip and the Amanero latest generation USB interface.

This version of the NFB-28.38 incorporates the same new features as the NFB-1.38 DAC, namely: An ESS Saber ES9038Pro DAC, a better Saber implementation offering a shorter signal path, the ability to select the hardware filters, a DSD auto-detection (with switching noise-free switching), and disengagement of the preamplifier function (with a button on the back) allowing pure DAC use.

NFB est the acronym of No Feedback used by Audio-GD. This technology on the analog stages allows a great respect of the harmonics, without distortions, without digital hardness.


The integrated SABER ES9038Pro allows you to manage 32Bit / 192kHz sources in both SPDIF andUSB, and up to 384kHz in USB Amanero. In order to use the NFB-28.38 under Windows via its USB-B input on the rear panel, you will first need to download the Driver Amanero Combo 384 AUDIO GD:"" target = "_ blank">Amanero Combo NFB-29 ES9028Pro driver.

Bewitching sound reproduction

32bit / 384kHz / DSD / DXD / TCXO / HDMI

The 100% discrete design of this DAC (no PDO) goes through three stages (voltage, low pass filter, buffer) with transistors without any capacitors on the audio path, supported by a class A power supply with a fast rise time capable of provide the necessary energy.

Nover (UK) capacitors have been specially manufactured on Audio-GD specifications. The output transistors Toshiba and Hitachi have been manually paired. AUDIO GD use the best available components: Wima, Dale, ESS, Atmel.

Audio-GD MASTER 7 NOS de haut


This high fidelity DAC is equipped with the famous ESS ES9038Pro 32 bit / 384kHz. This conversion chipset is capable of reading High Definition formats from DSD to PCM with one of the best signal-to-noise ratios on the market (120dB real). The ACSS analog output stage, which is a feature of AUDIO GD, reduces the signal with only one buffer stage and an original Dale (USA) resistor. This shortest signal path allows the ES9038Pro to reproduce the highest levels of detail and dynamics on ESS SABER DACs.


inputsCoaxial (RCA) / Optical / I2S HDMI / USB Asynchronous / RCA
Exits2x RCA / ACSS / Headphone jack 6.35mm / Headphone XLR 4 pin
Signal / Noise Ratio> 120dB
THD + N<0.002%
Output level Headphones19V RMS Max
Output Level Balanced Preamp10V RMS Max / ACSS Output: 2mA
Output Power (Headphones)8000mW (40 Ohm) / 3500mW (100 Ohm) / 1200mW (300 Ohm) / 600mW (600 Ohm)
Output Impedance2 Ohm
Gain+ 16dB
Supported Operating Systems(44.1kHz to 384kHz) / OSX (44.1kHz to 384kHz) / USB compatible iPhone and iPad via Apple Camera Kit
Sampling rateCoaxial: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz Optical: 44.1kHz, 48kHz, 88.2kHz, 48kHz, 88.2kHz, 96kHz DSD 64/128and DXD
Input sensitivity0.5Vp-p (75 Ohm, Coaxial) / 19dBm (Optical) / USB 2.0 (Full Speed)
Frequency Response20Hz - 20kHz
WeightAbout 5kg
Housing material100% Aluminum
ColorBlack Anodized
AccessoriesPower cable / USB cable / Aluminum remote control
Data sheet
InputI2S via HDMI
InputUSB Amanero
OutputJack 6.35mm
Max sampling rateDSD128
Max sampling rate384kHz
Components / ChipES9038PRO
Channel2 channels (Stereo)
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Average votes
5.0 / 5
3 reviews
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Date :
Excellent dac
Utilisé pour contourner le dac intégré d'un node2 ( pourtant très satisfaisant ) et attaquer un ensemble Atoll - Triangle, le son surclasse le node en transparence et dynamique.
La sortie casque n'est pas en reste, l'association avec le Audeze LCD2 est vraiment parfaite : Privilégier quand même la sortie symétrique, elle sonne clairement mieux que la prise jack.
Le tableau serait idyllique avec une sélection des filtres hardware en façade...obligé d'ouvrir le boitier pour placer les cavaliers !
Je recommande pour le rapport qualité/prix et le son exceptionnel...
This review has been posted for AUDIO-GD NFB-28.38 DAC / Headphone Amp / Preamp 32bit / 384kHz ES9038Pro
Note :
Date :
dac reçu le 12 fév. 2018 , reçu très bien emballer .... merci a audiophonics .... pour le soins apporter au colis et ses conseils techniques ....
première impression / déballage : magnifique DAC !!! semble très solide et connexion complètes .....
mon installation : haut parleur xavian piccola (scan peak) , cables hp black rhodium , branché sur ampli audio-gd précision 3 ,en bridgé (donc 2 amplis) (acheté sur audiophonics également ) , le tout branché en usb asynchrone sur tour pc , lecteur foobar2000 sous asio ..... avec lecture sous sacd d ou lecture DSD , PCM 24bits ....
premier écoute : WHAAAAAA !!!! quel ouverture !!! son limpide ......profond ..... clair ....précision......3D parfait !!!!
pour être honnête SUBLIME , les instruments existe les hp donnent leur potentiel , les performances sont la !!! je vis la scène avec les amplis qui donne une cohérence sublime excellent ne faiblesses jamais , reste a l hauteur du signal transmis , le DAC est d une précision incroyable , la musique est transportée avec aisance les albums sont précis , vivant !!! le choix de l album reste primordiale car la qualité d enregistrement reste perfectible par ce DAC si il est très bon cela restera excellent dans le cas contraire cela s entends aussi tout en restant bon ...... ce pack DAC, AMPLI audio-gd avec enceinte est formidable , excellent , et pour très longtemps ... en un seul mot LES INSTRUMENTS ECXISTES merci a audiophonics et audio-gd et enceinte xavian !
This review has been posted for AUDIO-GD NFB-28.38 DAC / Headphone Amp / Preamp 32bit / 384kHz ES9038Pro
Note :
Date :
cercavo un semplice amplificatore per la mia cuffia HD 700, la prima impressione di ascolto è ottima. La Sorpresa è stata quando ho utilizzato il DAC per CD e DVD con il mio Classè-Audio, tutti da riscoprire!
Mai un acqusto "azzardato" senza prove dirette è stato cosi perfetto...
Complimenti ad AUDIO-GD per i risultati e la costruzione.
This review has been posted for AUDIO-GD NFB-28.38 DAC / Headphone Amp / Preamp 32bit / 384kHz ES9038Pro
AUDIO-GD NFB-28.38 DAC / Headphone Amp / Preamp 32bit / 384kHz ES9038Pro
The Audio-GD NFB-28.38 integrates the exceptional DAC ES9038Pro and ensures outstanding audio performance. It also incorporates USB Amanero and I2S...

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