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NuPrime uDSD Portable USB Digital Analogue Converter


The NuPrime uDSD, a significantly advanced hi-resolution USB-powered portable DAC, connects your personal computer’s audio to your home stereo, desktop sound system and headphones. The uDSD features direct DAC out, i.e., fixed-analog out, in order to provide better overall sound quality, and in particular, better-sounding DSD. As an added benefit, this arrangement prevents distortion in tandem with receiving units with volume-adjusting capabilities. The headphone circuit, built on a sophisticated balanced design, provides the uDSD with the ability to drive almost any of today’s headphones — a feature that can also be used to drive active speakers.

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  • Input:
    • USB 1.1, 2.0, compatible.
  • Outputs:
    • Analog Stereo RCA Out.
    • Digital Coaxial Out.
    • Headphone Amplifier Out (3.5 mm-jack socket).
  • USB sampling rates: 44.1,48,88.2,96,176.4,192,352.8,384KHz and DSD 2.8,5.6,11.2MHz.
  • Bit resolution: 16-24-bits.
  • Output: Analog RCA 2V rms (DAC out).
  • Headphone output: max 140mW x 2 @ 32 ohm.
  • Dynamic range: 98dB.
  • S/N ratio: 112 dB.
  • THD+N < 0.01%.
  • Power: USB-Bus powered, 150mA/5V.