The advanced DAC Box DS2 ultra is a universal and very flexible D/A converter of the highest class. It offers full DSD256 support and upsampling of all input signals to 768kHz from USB, coaxial and optical inputs. This realizes high-resolution sound playback with a rich sound field and bass representation with less distortion. Due to its class-leading audio performance DAC Box DS2 ultra is an ultimate high-end bargain!

Additional information
Weight 1.41 kg
Dimensions 22 × 20.6 × 7.1 cm

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  • Top grade AK4490 D/A chip (32-bit PCM 768kHz / DSD256)
  • 6 Inputs: 1x USB, 3x optical (TOSlink®), 2x coax (S/PDIF)
  • Up to 32bit/768kHz asynchronous USB (XMOS technology)
  • DSD64, DSD128 & DSD256 (DSD over PCM)
  • Audio Class 2 (USB 2.0 High Speed) driver for Windows included
  • Up to 24bit/192kHz for optical & coax inputs
  • 5 selectable digital filter characteristics
  • 3 selectable sound modes
  • High-end ultra low phase oscillator with superior noise rejection
  • RCA line level solid-state analogue output stage
  • Ultra linear & ultra low noise circuitry
  • Separate power supplies for every stage with advanced filter technology
  • Upgradeable with optional linear power supply
  • Full metal casing in silver or black
  • Optional with wooden side panels
  • Handmade in Europe


  • Frequency response: 20Hz – 50kHz (0dB/-1dB)
  • SNR: 113dB (20Hz-20kHz)
  • THD: 0,00085% (20Hz-20kHz)
  • THD+N: 0,0009% (20Hz-20kHz)
  • Crosstalk: -117dB ([email protected])
  • Digital inputs: 2 x coaxial
  • 3 x optical (TOSlink®)
  • 1 x USB (B socket)
  • USB input: digital serial data protocol USB 2.0
  • Operating systems 24Bit/kHz192 playback: Windows VISTA®, Windows 7®, Windows 8®, Windows 10®, Mac OS®
  • DSD playback: Windows VISTA®, Windows 7® , Windows 8®, Windows 10®, Mac OS®
  • D/A converter: AK4490 32-bit PCM 768kHz / DSD256
  • Sampling rate coaxial inputs: up to 192kHz/24bit
  • Optical inputs: up to 192kHz/24bit
  • USB input: up to 768kHzHz/32bit + DSD64, DSD128 and DSD256
  • USB mode: asynchronous data transfer with DoP
  • Line-level outputs: 1 pair RCA/phono sockets
  • Digital output: 1x optical (TOSlink®)
  • Output voltage typically: RCA/phono sockets 2,2Vrms / +6dB active: 4,4Vrms
  • Outboard power supply: 18V/1A DC; suitable for your country’s mains supply
  • Power consumption: 300mA DC,<1W in standby

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