LOXJIE D50 DAC AK4499 USB XMOS Bluetooth 5.0 MQA 32bit 768kHz DSD512

LOXJIE D50 DAC AK4499 USB XMOS Bluetooth 5.0 MQA 32bit 768kHz DSD512
Loxjie presents the D50, a resolutely modern DAC based on an excellent AKM AK4499 chip and XMOS USB interface. It supports PCM streams up to 32-bit / 768kHz, DSD512 and MQA (full decoding). Its circuit also incorporates an AK4114VQ SPDIF chip with autodetection of non-PCM flows (DOP ...) and a phase-locked loop optimized to limit audio jitter.

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Shipping date: 19-03-2024.

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Loxjie D50

DAC AK4499 USB XMOS Bluetooth 5.0 MQA 32bit 768kHz DSD512




Loxjie presents the D50, a resolutely modern DAC based on an excellent AKM AK4499 chip and XMOS USB interface. It supports PCM streams up to 32-bit / 768kHz, DSD512 and MQA (full decoding). Its circuit also incorporates an AK4114VQ SPDIF chip with autodetection of non-PCM flows (DOP ...) and a phase-locked loop optimized to limit audio jitter. This bold audio circuit delivers excellent measurements, especially with an incredibly low distortion of 0.000068% (123dB) as well as a dynamic range of up to 131dB.

Equipped with extended connectivity, the device can work with digital audio streams over USB, SPDIF (coax / optical), Bluetooth 5.0 but also I2S via HDMI LVDS. It also has an single ended (RCA) & balanced (XLR) output.

Sober and elegant with its full aluminum casing, the D50 LOXJIE is equipped with a high-resolution color IPS screen with adjustable brightness for a nice, readable and user-friendly interface.



Review by Audio Science Review

As you see, performance is exemplary with SINAD that represents relative sum of distortion and noise outperforming 95% of DACs tested so far:

 test by the measurement forum Audio Science Review

DAC AK4499


The latest AKM flagship, the AK4499 DAC chip enables precise, fast and clean conversion of high resolution audio files. The D50 integrates on its digital / analog conversion stage an AK4499 chip with Thesycon drivers allowing transparent and rich sound reproduction and supporting PCM files up to 32bit 768kHz and DSD up to DSD512 (via USB and I2S). This component is one of the best digital-to-analog conversion solutions available today and allows the D50 to measure a signal-to-noise ratio of 131dB with a remarkable distortion rate of -123dB.

MQA Support

SMSL SU-9 DAC ES9038Pro USB XMOS Bluetooth 5.0 32bit 768kHz DSD512

MQA (Master Quality Authenticated) files provide the same quality as recording the song in the studio, allowing a much lower level of distortion, revealing a wider soundstage and ensuring richer and more precise reproduction.

SMSL SU-9 DAC ES9038Pro USB XMOS Bluetooth 5.0 32bit 768kHz DSD512


The MQA uses a treatment called "musical origami". This makes this high-resolution file easy to manage in order to make it compatible with all audio playback services and devices. This process consists of 3 steps.

SMSL SU-9 DAC ES9038Pro USB XMOS Bluetooth 5.0 32bit 768kHz DSD512

Connectivity

With its many input connections, the D50 can join a large majority of different audio systems, offering many options for use and installation.

For its input connectors, it has a USB-B (XMOS), Coaxial, Optical Toslink, and I2S LVDS via HDMI inputs. This I2S input can operate in normal or inverted mode depending on source type.

On the output side, the D50 offers single ended stereo RCA and balanced XLR. The output stage is driven by an OPA1612 operational amplifier.

Its on-board volume controller allows it to directly drive a power amplifier but can also be bypassed to switch to pure DAC mode if you have a particularly precise preamplifier in order to optimize the signal path.

1Récepteur IR
2Écran
3Bouton volume / selection
4Sortie XLR symétrique)
5Sortie RCA (asymétrique)
6Entrée optique Toslonk
7Entrée I2S
8Entrée Coaxiale
9Entrée USB-B
10Connecteur antenne bluetooth
11Connecteur alimentation

Bluetooth 5.0

The Loxjie D50 allows Bluetooth reception, particularly practical for streaming music from your phone. It supports SBC codecs & apt-X in order to benefit from a stable connection that does not overcompress the signal. Its receiver enjoys a comfortable range (up to 10m) thanks to an antenna supplied to be fixed to the back of the box.

SMSL SU-9 DAC ES9038Pro USB XMOS Bluetooth 5.0 32bit 768kHz DSD512

I2S Pinout via HDMI

Loxjie D50 DAC AK4499 USB XMOS Bluetooth 5.0 MQA 32bit 768kHz DSD512
Specifications
Puce DACAK4499EQ
EntréesBluetooth
Optique
Coaxial
I2S
USB XMOS
Echantillonnage maxDSD512, PCM bit/768Khz
THD-N0.000068% (-123dB)
0.000058% (-124dB A-WT)
DynamiqueRCA : 123dB
XLR : 131dB
SNR131dB
Protocoles Bluetooth5.0 apt-X / SBC
Compatibilité USBWindows 7 / 8 / 8.1 / 10
Mac OSX
Linux
Profondeur du bitUSB / I2S : 1bit, 16-32bit
Optique / coax : 1bit, 16-24bit
Impédance en sortieRCA : 94Ω
XLR : 320Ω
Consommation5W
Consomation au repos≤ 0.5W
Dimensions216 x 226 x 40 mm
Poids1680g
CouleurNoir
 
Data sheet
InputOptical
InputI2S via HDMI
InputSPDIF
InputBluetooth
InputUSB
OutputXLR
OutputRCA
DAC / ADC ChipAK4499
Max sampling rate768kHz
Max sampling rateDSD512
ColorBlack
NetworkingNo
Remote ControlYes
 
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Average votes
5.0 / 5
2 reviews
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 5/5
Date :
LOXJIE D50 DAC REVIEW
The LOXJIE D50 DAC is a fanstastic product. It is sonically extremely precise with a natural sound. The character of the DAC is not very direct, instead it is sophisticated and very listenable. The bass is precise, the vocals are natural, the highs are clear and precise. The overall structure of the sound is balanced and dynamic. The DAC doesn't inflict fatigue on its listener and it's very enjoyable. Of course the DAC isn't the only important part, the RCA interconnect cables are also very important (as well as all your other equipment). I heartily recommend this DAC to all music enjoyers and audiophilles, I'm certain that its quality is comparable to DACs of even the 1500€ range.
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This review has been posted for LOXJIE D50 DAC AK4499 USB XMOS Bluetooth 5.0 MQA 32bit 768kHz DSD512
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 5/5
Date :
SUPREME PRODUCT
Extreme well-built aluminium box, the sound quality is the best i ever heard on a DAC, we can even use the both outputs simultaneously, XLR and RCA to connect several devices.
I can even say this DAC sounds as good as DACS 4 times more expensive.
 (3)
 (3)
This review has been posted for LOXJIE D50 DAC AK4499 USB XMOS Bluetooth 5.0 MQA 32bit 768kHz DSD512
 
LOXJIE D50 DAC AK4499 USB XMOS Bluetooth 5.0 MQA 32bit 768kHz DSD512
Loxjie presents the D50, a resolutely modern DAC based on an excellent AKM AK4499 chip and XMOS USB interface. It supports PCM streams up to 32-bit...

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