SABAJ A20D 2023 DAC AK4499EX Headphone Amplifier TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA

SABAJ A20D 2023 DAC AK4499EX Amplificateur Casque TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA
Sabaj's A20d DAC and headphone amplifier returns in an improved version for 2023. It now uses two AK4499 EX + AK 4131 EQ DAC chips and an XMOS XU316 USB interface supporting 32bit 768kHZ PCM and DSD512. Featuring top-of-the-range components, it includes an MQA decoder, three AOP1612s and a TI TPA6120A2 amplifier chip. Its comprehensive connectivity means it can also be used as a preamplifier.

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415,83 € tax excl.
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Shipping date: 23-02-2024.

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SABAJ A20D 2023

DAC AK4499EX Headphone Amplifier TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA

SABAJ A20D 2023 DAC AK4499EX Amplificateur Casque TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA

Sabaj's A20d DAC and headphone amplifier is back in an improved version for 2023. Its digital/analogue conversion stage is now based on the use of two DAC chips, an AK4499EX using Velvetsound technology and an AK4191EQ. This combination is ideal for decoding high-resolution audio formats. The A20d also incorporates an XMOS XU316 USB interface and an MQA decoder. It is therefore capable of decoding up to 32bit 768kHz PCM, native DSD up to DSD512 and MQA format. Its amplification stage also makes it an excellent headphone amplifier, with a TPA6120A2 amplifier chip and two headphone outputs, one of which is balanced. Its full range of connectors also allows it to be used as a preamplifier, with three OPA1612 and stereo RCA and XLR line outputs delivering 2.3Vrms and 4.6Vrms respectively. High-performance and versatile, Sabaj's A20d also features Bluetooth 5.0 connectivity, so you can transmit your music wirelessly from a smartphone or tablet for example.

SABAJ A20D 2023 DAC AK4499EX Amplificateur Casque TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA

A combination of two DAC chips: AK4499EX and AK4191EQ

The high-performance AKM AK4499EX DAC chip is based on Velvetsound technology. Combined with an AK4191EQ chip, it enables extremely precise decoding of high-resolution audio formats. The result is excellent sound performance and reproduction that's as rich as it is detailed. 

SABAJ A20D 2023 DAC AK4499EX Amplificateur Casque TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA
SABAJ A20D 2023 DAC AK4499EX Amplificateur Casque TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA

XMOS XU316 USB interface

The 2023 version of Sabaj's A20d incorporates a third-generation XMOS XU316 USB interface with a 16-core processor. This interface supports 32bit 768kHz audio streams and native DSD up to DSD512.

MQA decoder

MQA (Master Quality Authenticated) is an award-winning British technology that restores the sound of the original recording. The MQA Master file is authenticated by the artists, producers or rights holders. These files are light enough to stream or download.

The A20d 2023 incorporates an MQA decoder to read these files and deliver the best possible audio quality. It also supports the MQA-CD format via its coaxial and optical inputs.

SABAJ A20D 2023 DAC AK4499EX Amplificateur Casque TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA

PCM and DSD filters

In order to offer an enriched, qualitative and varied listening experience, Sabaj offers 4 different tonalities as well as 2 DSD filters and 7 PCM filters.

SABAJ A20D 2023 DAC AK4499EX Amplificateur Casque TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA

Bluetooth 5.0

The Sabaj A20d 2023 incorporates a Bluetooth 5.0 receiver from Qualcomm, enabling you to stream your music remotely, from a smartphone for example. The on-board receiver chip also supports aptX, aptX HD and LDAC transmission codecs, ensuring excellent sound quality and transmission stability at distances of up to 20m.

SABAJ A20D 2023 DAC AK4499EX Amplificateur Casque TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA

A high-performance headphone amplifier

The A20d 2023 benefits from a symmetrical headphone amplifier circuit incorporating a TI TPA6120A2 chip, offering reproduction over a wide frequency range and a low noise level. Output distortion is just -120dB and a gain setting (high = +8dB / low = 0dB) means the Sabaj A20d 2023 can be adapted to the vast majority of headphones on the market.

SABAJ A20D 2023 DAC AK4499EX Amplificateur Casque TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA

Pre-amplifier mode

With its two balanced stereo XLR and stereo RCA line outputs and 3 AOP1612s, the Sabaj A20d can be used as a preamplifier. The balanced XLR output can reach a power of 4.6Vrms and the RCA output up to 2.3Vrms. Three different modes are available with the preamplifier function: the Vol Fixed mode where the volume is fixed on the XLR and RCA outputs, the Vol Variable mode allowing control of the output volume and the Fixed DSD Bypass mode for direct retransmission of the DSD signal.

SABAJ A20D 2023 DAC AK4499EX Amplificateur Casque TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA
SABAJ A20D 2023 DAC AK4499EX Amplificateur Casque TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA

A clean power supply

The A20d 2023 features a power supply purification system with dedicated filtering circuitry to reduce noise and distortion, and deliver a clean, stable electrical signal to all audio circuits. 

IR remote control and intuitive controls

The A20d 2023 can be controlled remotely with its IR remote control. What's more, it features a high-resolution display showing information on the track currently playing.

SABAJ A20D 2023 DAC AK4499EX Amplificateur Casque TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA

A20d 2023: a complete range of connectors

SABAJ A20D 2023 DAC AK4499EX Amplificateur Casque TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA
1Display
2Multi-function button
3Single-ended Jack 6.35mm headphone output
4Balanced Jack 4.4mm headphone outpût
5Balanced XLR output
6Single-ended RCA output
7Coaxial input
8Optical Toslink input
9USB-C input
10Bluetooth antenna
11Power connector

Technical characteristics

Specifications
Product typeDAC
Headphone amplifier
Inputs1* USB-C
1* Optical Toslink
1* Coaxial
Bluetooth
Outputs1* Single-ended stereo RCA
1* Balanced stereo XLR
1* Single-ended Jack 6.35mm headphone output
1* Balanced Jack 4.4mm headphone output
DAC chipAK4499 EX + AK4191 EQ
USB interfaceXMOS XU316
Headphone amplification chipTPA6120A2D
OPA1612
Output levelRCA: 2.3Vrms
XLR: 4.6Vrms
Headphone output power2x2W @ 16Ω
2x1W @ 32Ω
Headphone output gainLow: 0dB
High: +8dB
THD+NSortie casque: 0.0001% (-120dB)
DAC: 0.00006% (-123dB)
Dynamic rangeRCA: 126dB
XLR: 131dB
SNRRCA: 126dB
XLR: 131dB
Output impedanceHeadphone output: near 0Ω
DAC: 100Ω
Bluetooth version5.0
Suppported bluetooth codecsSBC, AAC, aptX, aptX HD, LDAC
USB transmissionAsynchronous
USB compatibilityWindows 7 / 8 / 10 / 11
Mac OS X 10.6 and later
Linux
Supported sample ratesUSB: PCM up to 32bit 768kHz, Native DSD up to DSD512
Optical / Coaxial: PCM up to 24bit 192kHz, DSD DoP up to DoP64
General
Consumption< 20W
Dimensions210*200*60mm
Weight1.5kg
ColorSilver
Package1* Sabaj A20d 2023
1* Power cable
1* IR remote control
1* Bluetooth antenna
1* USB-A to USB-C cable
 
Data sheet
InputSPDIF
InputBluetooth
InputUSB
InputOptical
OutputXLR
OutputJack 4.4mm
OutputRCA
OutputJack 6.35mm
DAC / ADC ChipAK4499EX
DAC / ADC ChipAK4191
Max sampling rateDSD512
Max sampling rateMQA
Max sampling rate768kHz
ColorSilver
ClassN/A
NetworkingNo
Remote ControlYes
 
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Average votes
4.5 / 5
2 reviews
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Note :
 4/5
Date :
Mute problem
Mute circuit have problem in one chanel, or maybe slight delay..
I have no complaints about the sound
 (0)
 (0)
This review has been posted for SABAJ A20D 2023 DAC AK4499EX Headphone Amplifier TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA
Note :
 5/5
Date :
Encore un achat *****
Sur les conseils de David, j’ai acheté ce DAC que j’ai installé entre un Naïm uniti core et un ampli Pier Audio. Je souhaitais remplacer un vieux Dac musical fidelity qui était trop violent dans la qualité de son. Dès les premières écoutes, une douceur qui permet d’écouter de la musique toute la journée, avec une précision remarquable, un équilibre parfait basses, médiums, aigües. Les vieux CD de 1980 sortent merveilleusement bien.
Super produit, super rapport qualité/prix
Merci pour les conseils avisés
 (0)
 (0)
This review has been posted for SABAJ A20D 2023 DAC AK4499EX Headphone Amplifier TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA
 
SABAJ A20D 2023 DAC AK4499EX Headphone Amplifier TPA6120A2 XMOS XU316 Bluetooth 5.0 32bit 768kHz DSD512 MQA
Sabaj's A20d DAC and headphone amplifier returns in an improved version for 2023. It now uses two AK4499 EX + AK 4131 EQ DAC chips and an XMOS...

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