TOPPING D90 MQA Balanced DAC AK4499 XMOS XU216 I2S 32bit 768kHz DSD512 Bluetooth 5.0 Black

TOPPING D90 Balanced DAC AK4499 XMOS XU208 I2S 32bit 768kHz DSD512 Black
MQA version of Topping D90

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Topping D90 MQA

Balanced DAC AK4499 XMOS XU216 I2S 32bit 768kHz DSD512 MQA Black

Topping D90 DAC Symétrique AK4499 XMOS XU216 I2S 32bit 768kHz DSD512 Noir

A direct successor to the D70 Topping, the D90 benefits from the same refinements as its big brother while updating its DAC with a newer and more efficient version, the AK4499 AKM. For the rest, it largely follows the excellent internal design of the previous model and its exceptional performance.

This version includes an MQA decoder and supports full decoding of this type of file format on its USB input.


AK4499 AKM

DAC AK4499 & Accusilicon Clocks

New flagship from AKM, the AK4499 DAC chip allows precise, fast and clean conversion of high-resolution audio files. The D90 thus integrates on its digital-to-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).

The DAC is combined with a pair of AccuSilicon 451584MHz and 49.1520MHz high-end femtosecond clocks and a CPLD. These allow a perfect synchronization of the data signals for an absolutely impressive jitter attenuation.

AK4499 AKM

Connectivity & Features

With its many features and connections, the D90 can be integrated into a vast majority of audio systems, offering many options for use and installation.

For its input connectivity, there are AES, USB-B (XMOS), Coaxial, Toslink Optics, and I2S LVDS via HDMI. Note that this last input has several selectable modes to adapt to your other I2S LVDS devices. On the output side, the D90 offers unbalanced RCA Stereo and balanced XLR. The D90's intelligent design allows only one or both outputs to be activated at a time.

With its integrated volume control, the D90 also acts as a preamplifier since it includes a volume controller. This volume control function can however be disabled so that the D90 can only be used as a DAC with output levels constantly at their maximums, i.e. 4Vrms for XLR output and 2Vrms for RCA output.

USB XMOS XU216 Interface & SPDIF AK4118 Receiver

For its digital interfaces, Topping once again chooses very high quality and performance by integrating into its D90 an XMOS XU216 USB chip supporting high sampling rates up to 32bit 768kHz and up to native DSD512.

For SPDIF streams, an AKM AK4118 AKM chip processes the signal with extremely low jitter. This last chip is used for the Optical, Coaxial and AES inputs and allows sampling rates up to 24bit 192kHz PCM to be achieved on the latter.

Topping D90 measurements by Audio Science Review

Mesures du Topping D90 par Audio Science Review

Technical characteristics

Specifications
Product typeDAC
DAC ChipAKM AK4499
USB InterfaceXMOS XU216
SPDIF InterfaceAK4118
Bluetooth5.0 / Apt-X HD / LDAC
Inputs1x I2S LVDS (HDMI)
1x USB-B (XMOS)
1x Optical Toslink
1x Coaxial SPDIF
1x AES/EBU
Outputs1x Balanced XLR
1x Single-ended RCA
Supported sampling ratesMQA
USB : PCM up to 32bit 768kHz / Native DSD up to DSD512 / DSD DoP up to DSD256
I2S : PCM up to 32bit 768kHz / DSD up to DSD512
Coaxial, Optical, AES : PCM up to 24bit 192kHz
Output voltageRCA : 2Vrms @ 0dBFS
XLR : 4Vrms @ 0dBFS
Dynamic range (A-Weighting)128dB
General
Power supplyAC 110V/220V 50/60Hz (switchable) via IEC (cable included)
Case materialAluminium
ColorBlack
IncluedUSB-B to USB-A cable / Power cable / Remote control
 
Data sheet
InputAES/EBU
InputUSB XMOS
InputOptical
InputHDMI
InputUSB 2.0
InputSPDIF
InputBluetooth
InputUSB-B
OutputXLR
OutputRCA
DAC ChipAK4499
Max sampling rate768kHz
Max sampling rateDSD512
ColorBlack
Channel2 channels (Stereo)
 
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Average votes
4.0 / 5
2 reviews
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Note :
 4/5
Date :
Topping
The DAC Topping is really good and workshop properly. The only issue is wrapping service of Audiophonics and should be improved as soon as possible !
 (0)
 (2)
This review has been posted for TOPPING D90 MQA Balanced DAC AK4499 XMOS XU216 I2S 32bit 768kHz DSD512 Bluetooth 5.0 Black
Note :
 4/5
Date :
Good!
I like the sound of it and forget to even think of how the sound is... You listen to good music and thats all!
 (0)
 (4)
This review has been posted for TOPPING D90 MQA Balanced DAC AK4499 XMOS XU216 I2S 32bit 768kHz DSD512 Bluetooth 5.0 Black
 

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