Introducing the TOPPING D900 DAC: Ultra Flagship Now Available on Apos

[Apos Audio]

Hi all,

TOPPING has just launched their long-awaited ultra-flagship DAC: the D900

D900 has been quietly demoed at audio shows for a while now, and it’s finally available to the public. TOPPING has brought in their experience of more than 15 years designing audio products and developing technologies to form a device that focuses on ultimate sound quality with great aesthetics. Built around a proprietary 32-element discrete 1-bit PSRM architecture and a fully custom I/V stage, this DAC is world-class in music reproduction.

Product highlights 

• Fully discrete 1-bit PSRM DAC architecture
• Self-developed I/V circuitry
• SNR: 131dB; DNR: 131dB
• Ultra-low jitter (-157dB)
• THD+N: <0.000055%
• 10-band PEQ with desktop software
• Aurora UI with full-color screen
• Bluetooth 5.1 with LDAC and aptX HD
• Preamp mode with volume memory
• 12V trigger in/out
• Inputs: USB-C, USB-B, optical, coaxial, Bluetooth, AES, or IIS-LVDS
• Outputs: XLR balanced preamp, XLR balanced line out

Specs

• D900 DAC Parameters (Line Out/USB In @ 96kHz):
• THD+N A-wt:
  • XLR (Line Out): <0.000055% @ 1kHz
  • XLR (Preamp): <0.000055% @ 1kHz
• THD @No-wt (45kBw):
  • XLR (Line Out): <0.00015% @ 20-20kHz
  • XLR (Preamp): <0.00015% @ 20-20kHz
• SNR (A-wt):
  • XLR (Line Out): 131dB @ 1kHz
  • XLR (Preamp): 131dB @ 1kHz
• Dynamic Range (A-wt):
  • XLR (Line Out): 131dB @ 1kHz
  • XLR (Preamp): 131dB @ 1kHz
• Frequency Response:
  • XLR (Line Out): 20Hz-20kHz (±0.3dB), 20Hz-40kHz (±1.0dB)
  • XLR (Preamp): 20Hz-20kHz (±0.3dB), 20Hz-40kHz (±1.0dB)
• Output Level:
  • XLR (Line Out): 4.2Vrms @ 0dBFS (4V Mode), 5.2Vrms @ 0dBFS (5V Mode)
  • XLR (Preamp): 10.5Vrms @ 0dBFS (4V Mode), 13.0Vrms @ 0dBFS (5V Mode)
• Noise (A-wt):
  • XLR (Line Out): <1.5uVrms
  • XLR (Preamp): <1.6uVrms
• Channel Crosstalk:
  • XLR (Line Out): -147dB @ 1kHz
  • XLR (Preamp): -147dB @ 1kHz
• Channel Balance:
  • XLR (Line Out): 0.3dB
  • XLR (Preamp): 0.3 dB
• Output Impedance:
  • XLR (Line Out): 100Ω
  • XLR (Preamp): 100Ω

**Note: The above data is the result of tests in TOPPING's laboratory with an output amplitude of 5V

It also includes a full preamp mode with volume memory and pairs with the upcoming A900 headphone amp (launching later).

 

[dunring]

Ive got the D90 III and D70 Pro Sabre and Octo. Don't know how they're going to top them, but it looks neat, really want to compare the matching amp to the A70 Pro. Stuff has gotten so good, the bar has gotten really high.