As for DAC chip, TOPPING used a single ESS ES9038QM DAC chip inside the D10s. If the name seems familiar, it’s because TOPPING adopted two of those chips in a dual configuration in their excellent D50s DAC.
The ES9038QM DAC chip from ESS technologies is an outstanding performer with low power consumption. TOPPING utilizing a single chip in the D10s allows the DAC to be powered solely using USB, while at the same time enabling the THD+N @1kHz to reach an extremely low level of just 0.002%! Impressive!
XMOS XU208 USB Chip
TOPPING employed the latest XMOS XU208 USB chip for the USB decoding interface. While the USB interface is absolutely class 2 compliant (no need to install any drivers), installing the customized Thesycon ASIO drivers allows you to decode higher sample rates and DSD.
Supported Formats
The TOPPING D10s can decode up to 32-bit 384 kHz PCM and native DSD256 via USB, and up to 24-bit 192 kHz PCM and DSD64 via its optical/coaxial input.
Automatic Power On/Off Feature
Powered solely by USB, the TOPPING D10s can automatically power on/off simultaneously with your PC or laptop. This feature allows you to considerably conserve your device’s battery and remove any need to plug/unplug your DAC from your source.
USB To Optical/Coaxial Converter
One distinguishing feature that sets the D10s apart from any of the competition‘s offerings is its ability to convert its USB input to optical/coaxial output. This feature alone is worth the DACs asking price as it provides you with excellent compatibility and connectivity, allowing you to connect your DAC to a broader range of devices.
OP-AMP Rolling
The op-amp used in the D10s is both swappable and socketed. Therefore, professional users can use an IC extractor or pliers and swap the included op-amp with a different op-amp to change the sound.
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