SABAJ A20D 2022 DAC ES9038Pro Headphone Amplifier TPA6120A2 XMOS XU216 Bluetooth 5.0 32bit 768kHz DSD512 MQA

SABAJ A20D 2022 DAC ES9038Pro Headphone Amplifier TPA6120A2 XMOS Bluetooth 5.0 32bit 768kHz DSD512 MQA
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The Sabaj A20d DAC is back in an improved and redesigned 2022 version. Its digital/analog conversion stage is based on an ESS ES9038Pro DAC chip, a high-end DAC supporting high sampling rates and ensuring an incredibly accurate reproduction. Particularly complete, the A20d is also equipped with a large panel of connectors with notably an I2S input and a balanced output. This 2022 version also integrates a headphone amplifier stage with balanced and unbalanced outputs. The DAC also benefits from a Bluetooth 5.0 connectivity, allowing to transmit its music wirelessly from a smartphone or a tablet.

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Shipping date: 21-05-2024.

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Sabaj A20d 2022

DAC ES9038Pro Headphone Amplifier TPA6120A2 XMOS Bluetooth 5.0 32bit 768kHz DSD512 MQA

Sabaj A20d 2022 DAC ES9038Pro Amplificateur Casque TPA6120A2 XMOS Bluetooth 5.0 32bit 768kHz DSD512 MQA

The Sabaj A20d DAC is back in an improved and redesigned 2022 version. Its digital/analog conversion stage is based on an ESS ES9038Pro DAC chip, a high-end DAC supporting high sampling rates and ensuring an incredibly accurate reproduction. Particularly complete, the A20d is also equipped with a large panel of connectors with notably an I2S input and a balanced output. This 2022 version also integrates a headphone amplifier stage with balanced and unbalanced outputs. The DAC also benefits from a Bluetooth 5.0 connectivity, allowing to transmit its music wirelessly from a smartphone or a tablet.

Sabaj A20d 2022 DAC ES9038Pro Amplificateur Casque TPA6120A2 XMOS Bluetooth 5.0 32bit 768kHz DSD512 MQA
Sabaj A20d 2022 DAC ES9038Pro Amplificateur Casque TPA6120A2 XMOS Bluetooth 5.0 32bit 768kHz DSD512 MQA

ES9038Pro DAC

At the heart of the A20d 2022 is the ESS ES9038Pro 32bit DAC chip with HyperStream III architecture, the brand's top-of-the-line model, ensuring excellent sound performance with very low distortion and noise. This chip also supports high sampling rates, up to PCM 32bit 768kHz, DSD512 and even MQA. This ES9038Pro chip is directly associated with its own LDO ES9311 regulator, providing a clean and stable electrical signal.

MQA Decoding

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 2022 incorporates an MQA decoder to read these files in order to provide the best possible audio quality. It also supports the MQA-CD format.

Sabaj A20d 2022 DAC ES9038Pro Amplificateur Casque TPA6120A2 XMOS Bluetooth 5.0 32bit 768kHz DSD512 MQA

Bluetooth 5.0

The Sabaj A20d 2022 integrates a Bluetooth 5.0 receiver from Qualcomm, allowing you to broadcast your music remotely, from a smartphone for example. The embedded receiver chip also supports the aptX, aptX HD and LDAC transmission codecs, ensuring excellent sound quality and transmission stability.

Sabaj A20d 2022 DAC ES9038Pro Amplificateur Casque TPA6120A2 XMOS Bluetooth 5.0 32bit 768kHz DSD512 MQA

A complete connectivity

Despite its compact form factor, the A20d 2022 offers a complete connectivity that will allow an easy integration within the vast majority of audio systems. We find in input USB-C, Coaxial, Optical Toslink and Bluetooth 5.0 connectivity. For the outputs, the Sabaj DAC offers unbalanced stereo RCA or balanced stereo XLR as well as two headphone outputs, unbalanced Jack 6.35mm and balanced Jack 4.4mm.

Sabaj A20d 2022 DAC ES9038Pro Amplificateur Casque TPA6120A2 XMOS Bluetooth 5.0 32bit 768kHz DSD512 MQA

DPLL function

DPLL is used to eliminate clock jitter. The DPLL value defines the bandwidth of the clock lock. The wider the bandwidth, the easier the locking. The narrower the bandwidth, the more effective the jitter removal.

Some sources (like some TVs for example) have a too high clock jitter, which can cause an inability of the PLL chip to perform its locking, resulting in a jerky sound. Increasing the DPLL can then correct this problem.

Sabaj A20d 2022 DAC ES9038Pro Amplificateur Casque TPA6120A2 XMOS Bluetooth 5.0 32bit 768kHz DSD512 MQA

A high-performance headphone amplifier

The A20d 2022 benefits from a balanced headphone amplifier circuit with a TI TPA6120A2 chip, offering a wide frequency range and a low noise level. The output distortion is only -120dB and a gain control (high = +8dB / low = 0dB) allows the Sabaj A20d 2022 to adapt to a large majority of headphones on the market.

Sabaj A20d 2022 DAC ES9038Pro Amplificateur Casque TPA6120A2 XMOS Bluetooth 5.0 32bit 768kHz DSD512 MQA

Des composants haut de gamme

The Sabaj A20d 2022's circuitry uses high quality audio components for a rich and accurate reproduction. It includes a second generation 16-core XMOS XU216 USB interface, supporting high sampling rates up to PCM 32bit 768kHz and DSD512, three dual OPA1612 AOPs and a power purification system with a dedicated filter circuit.

Sabaj A20d 2022 DAC ES9038Pro Amplificateur Casque TPA6120A2 XMOS Bluetooth 5.0 32bit 768kHz DSD512 MQA
Sabaj A20d 2022 DAC ES9038Pro Amplificateur Casque TPA6120A2 XMOS 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
Inputs1x USB-C
1x Optical Toslink
1x Coaxial
Bluetooth 5.0
Outputs1x Single-ended stereo RCA
1x Balanced stereo XLR
1x Single-ended Jack 6.35mm headphone output
1x Balanced Jack 4.4mm headphone output
DAC ChipESS ES9038Pro
USB interfaceXMOS XU216
Output levelRCA : 2Vrms
XLR : 4Vrms
Headphone output power2x 2W @ 16Ω
2x 1W @ 32Ω
Headphone output gainLow: 0dB
High: +8dB
THD+NHeadphone output: 0.0001% (-120dB)
DAC: 0.00006% (-123dB)
Dynamic rangeRCA: 127dB
XLR: 131dB
SNRRCA: 126dB
XLR: 130dB
Output impedanceHeadphone output: near 0Ω
DAC: 100Ω
Bluetooth version5.0
Supported Bluetooth codecsSBC, AAC, aptX, aptX HD, LDAC
USB transmissionAsynchronous
USB CompatibilityWindows 7 / 8 / 10 / 11
Mac OS X 10.6 and later
Linux
Supported sampling ratesUSB : PCM up to 32bit 768kHz, Native DSD up to DSD512
Optical / Coaxial : PCM up to 24bit 192kHz, DSD DoP up to DoP64
General
Dimensions210 x 200 x 60mm
Weight1.5kg
ColorSilver
Consumption< 20W
Sabaj A20d 2022 DAC ES9038Pro Amplificateur Casque TPA6120A2 XMOS Bluetooth 5.0 32bit 768kHz DSD512 MQA Sabaj A20d 2022 DAC ES9038Pro Amplificateur Casque TPA6120A2 XMOS Bluetooth 5.0 32bit 768kHz DSD512 MQA
 
Data sheet
InputUSB
InputOptical
InputSPDIF
InputBluetooth
OutputXLR
OutputJack 4.4mm
OutputRCA
OutputJack 6.35mm
DAC / ADC ChipES9038PRO
Max sampling rateDSD512
Max sampling rateMQA
Max sampling rate768kHz
ColorSilver
ClassClass D / T
NetworkingNo
Remote ControlYes
 
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Average votes
3.0 / 5
1 reviews
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 3/5
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Input prolems
There is recognition problem with USB input, one must restart player after input change..
Sabaj provide me new fw, after flashing only USB working..
I have no complaints about the sound..
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This review has been posted for SABAJ A20D 2022 DAC ES9038Pro Headphone Amplifier TPA6120A2 XMOS XU216 Bluetooth 5.0 32bit 768kHz DSD512 MQA
 
SABAJ A20D 2022 DAC ES9038Pro Headphone Amplifier TPA6120A2 XMOS XU216 Bluetooth 5.0 32bit 768kHz DSD512 MQA
The Sabaj A20d DAC is back in an improved and redesigned 2022 version. Its digital/analog conversion stage is based on an ESS ES9038Pro DAC chip, a...

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