IBASSO DC01 Balanced DAC Adapter USB-C Hi-Res AK4493 32bit 384kHz DSD256

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The iBasso DC01 is a symmetrical DAC adapter with an AK4493 digital-to-analog conversion chip, supporting high sampling rates. It is particularly suitable for use on smartphones since it has an input on a USB-C connector, but can also be used with a computer as a sound card.

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Shipping date: 29-01-2020.

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iBasso DC01

Balanced DAC Adapter USB-C Hi-Res AK4493 32bit 384kHz DSD256

iBasso DC01 Adaptateur DAC Symétrique USB-C Hi-Res AK4493 32bit 384kHz DSD256iBasso DC01 Adaptateur DAC Symétrique USB-C Hi-Res AK4493 32bit 384kHz DSD256

AKM AK4493EQ DAC

The DC01 is equipped with an AK4493 digital-to-analog conversion chip normally used in high-end sedentary DACs and integrating AKM Velvet Sound™ technology. The signal-to-noise ratio of this chip has been significantly improved compared to the previous model, the AK4490, which allows the DC01 to support high sampling rates up to 32bit 384kHz in PCM and up to native DSD256, while providing a THD+N of less than 0.001%. A design that will allow you to enjoy your music to the fullest, whether for use at home or on the move.

iBasso DC01 Adaptateur DAC Symétrique USB-C Hi-Res AK4493 32bit 384kHz DSD256
iBasso DC01 Adaptateur DAC Symétrique USB-C Hi-Res AK4493 32bit 384kHz DSD256
iBasso DC01 Adaptateur DAC Symétrique USB-C Hi-Res AK4493 32bit 384kHz DSD256

Balanced headphone amplifier

iBasso imports the concept of balanced amplification, normally reserved for high-end audio equipment, into this portable DAC adapter. The DC01 uses a fully balanced circuit with ultra-low distortion dual LDO to create a balanced amplifier, providing high output power while improving dynamics and overall reproduction quality.

High-end cable

In order to ensure optimal signal conductivity for excellent audio reproduction but also very good durability, iBasso carried out numerous tests before selecting this cable made of 8 braided wires.

iBasso DC01 Adaptateur DAC Symétrique USB-C Hi-Res AK4493 32bit 384kHz DSD256
iBasso DC01 Adaptateur DAC Symétrique USB-C Hi-Res AK4493 32bit 384kHz DSD256

From smartphone to computer : USB UAC2.0 Soundcard

The DC01 is equipped with a USB-C connector and uses the USB UAC2.0 reception standard. It is compatible with the vast majority of Android smartphones and tablets on the market. It is also able to connect to a computer under Mac OS or Windows using the supplied USB-C to USB-A high quality adapter. This allows it to work exactly like a sound card, and in an extremely simple way since the system is Plug & Play.

For computers running Windows XP, Windows 7 or Windows 8, download and install the driver available in the "Download" tab of this page.

Volume control app

Windows 10 and Android 5.0 (or higher) support the UAC2.0 protocol by default. However, for compatibility reasons, Android smartphone manufacturers still use the SRC protocol on the audio output. When the DC01 is connected, the volume is set to the maximum by default and the device's software algorithm is used to reduce the volume. While this method does reduce the volume, it does not reduce the noise threshold. Thus, iBasso has developed a volume control application using the UAC2.0 protocol to allow 64 steps of hardware volume control while reducing the noise threshold and offering much better audio performance.

iBasso DC01 Adaptateur DAC Symétrique USB-C Hi-Res AK4493 32bit 384kHz DSD256

The DC01 has compatibility problems with Samsung S9 and S10 smartphones but works perfectly with other models on the market.

Technical characteristics

Specifications
Product typeDAC Adapter
DAC ChipAKM AK4493EQ
Output power113mW @ 32Ω
Output voltage1.9V @ 32Ω
Frequency response20Hz - 40kHz +/-0.5dB
DAC USB Mode
InputUSB-C
OutputBalanced Jack 2.5mm
THD+N< 0.001% @ 32Ω, 1.2Vrms
Supported sampling ratesPCM : Up to 32bit 384kHz
DSD Natif Up to DSD256
General
Length120mm
Weight11g
ColorSilver
 
Data sheet
InputJack 2.5mm
InputUSB-C
OutputUSB-C
OutputUSB
OutputUSB 3.0
DAC ChipAK4493EQ
Max sampling rateDSD256
Max sampling rate384kHz
ColorSilver
ConnecticMale & Female
Channel2 channels (Stereo)
 
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Average votes
4.8 / 5
4 reviews
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Note :
 5/5
Date :
Excellent rapport qualité/prix, excellentes performances
Ce petit (tout petit) DAC en a sous son petit capot. Le son est propre, précis, les basses sont puissantes mais pas baveuses.

Niveau puissance il alimente sans broncher un casque planar.

Aucun problème en PCM, il suffit de brancher et cela fonctionne.

J'étais inquiet en DSD (DoP) car ce DAC n'a pas de bouton de volume. En fait ça fonctionne impeccablement (j'ai testé avec USB Audio Player Pro sous Android et Audirvana sous macOS).

Malgré les remarques vues ci et là concernant le Samsung S9, le mien s'en accommode parfaitement.

Enfin, pour une mystérieuse raison il est bien reconnu en PCM jusque 384MHz mais "seulement" jusque DSD128 (et pas DSD256).
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This review has been posted for IBASSO DC01 Balanced DAC Adapter USB-C Hi-Res AK4493 32bit 384kHz DSD256
Note :
 4/5
Date :
Très bon DAC mais...
Très bon DAC. Le son est propre, précis, sans filtrage ajouté. L'application répond très bien sur un SamsungA5. Mais pourquoi un jack 2.5? Il faut ajouter un adaptateur...Mauvais design.
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Message from Audiophonics service
Cette connectique est prévue pour un usage avec un casque ou des intras Symétriques.
L'usage d'un adaptateur est déconseillé par la marque.
Ils ont créé le DC02 pour ceux qui disposent de matériel plus classique (asymétrique).
This review has been posted for IBASSO DC01 Balanced DAC Adapter USB-C Hi-Res AK4493 32bit 384kHz DSD256
Note :
 5/5
Date :
Exellent product
Tested on android phone Nubia Z17Lite with programs USB Audio Player and Neutron and works without problem. The audio quality is amazing in comparison to the audio from usb-c to audio adapter
Pay attention to the version ο kernel it must be Check if the kernel version of your device is at least 3.4.0. Some older versions have a bug which results in a wrong USB bandwidth calculation. Using a multi-channel device or simultaneous playback and recording can then result in this message.
It tested on phone with kernel less 3.4. Recognized form hardware kai audio programs but not audio outputs. When used with other programs without usb support the audio is much better in comparison to the audio from usb-c to audio adapter
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This review has been posted for IBASSO DC01 Balanced DAC Adapter USB-C Hi-Res AK4493 32bit 384kHz DSD256
Note :
 5/5
Date :
Transofrmez votre smartphone en baladeur Hi-Res pour un prix ridicule !
Fidèle de la marque iBasso depuis plus de 10 ans, j'écoute beaucoup de musique en mode "nomade". Le smartphone et l'application Qobuz en sont les premiers maillons. L'ajout de ce DAC externe a été une révélation.
Ma référence est pourtant un baladeur DX200 d'iBasso couplé à l'AMP9 à tubes Korg miniaturisés, les fameux tubes à vide fluorescents Nutube.
Après à peine 10h de rodage, ce combiné DAC + ampli symétrique s'est soudainement ouvert pour le plus grand bonheur de mes écoutes.
Légèrement déçu par un test des convertisseurs AKM (p.e. sur le baladeur iBasso DX150) que j'ai trouvé, à l'époque, manquant de densité, de grave et de largeur de scène, quelle ne fut pas surprise d'entendre l'ouverture brutale de ce convertisseur AK4493 !
Il a pris de la densité, de la profondeur dans les graves, les médiums restant à leur bonne place et les aigus toujours aussi doux, précis et présents ! Et la scène est devenue très large, même en écoute avec casque fermé (Meze 99 Classics en noyer).
Ce nouvel équilibre est de nature à réjouir beaucoup d'audiophiles exigeants, et très franchement pour 49€, transformer son smartphone en baladeur Hi-Res, aucune raison de s'en priver !
Petite astuce Android, il faut activer la prise en charge OTG de la prise USB C (dans les paramètres système) pour que ce DAC externe soit immédiatement reconnu et pris en charge. L'installation de l'aplli d'iBasso pour régler finement le volume et 2 paramètres supplémentaires est recommandée.
A vos écoutes, ce DAC est devenu l'extension obligatoire de mon smartphone !
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This review has been posted for IBASSO DC01 Balanced DAC Adapter USB-C Hi-Res AK4493 32bit 384kHz DSD256
 
IBASSO DC01 Balanced DAC Adapter USB-C Hi-Res AK4493 32bit 384kHz DSD256
The iBasso DC01 is a symmetrical DAC adapter with an AK4493 digital-to-analog conversion chip, supporting high sampling rates. It is particularly...

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