CHF 6'300.00CHF 6'490.00

Dual domain preamplifier and converter

SKU: 048500 Category:


The SX-DD2 is at the same time:

  • A very high quality preamplifier
  • An analog-to-digital and digital-to-analog converter
  • A headphone amplifier
  • A control system for the different sources
  • USB-C Audio input and output
  • Bluetooth input

It includes a direct path from analog to analog inputs/outputs, an analog to digital converter and a digital to analog converter.


Connection diagram

Additional information

Rack mount

19" rackmount +CHF 190, No

Audio inputs

  • 1x unbalanced stereo input Phono MM/MC
  • 1x unbalanced stereo input RCA
  • 1x balanced stereo input XLR
  • 1x 3.5mm jack stereo analog input (on the front)
  • 3x Optical digital inputs (TOSLINK)
  • 3x COAX digital inputs (SPDIF)
  • 1x AES3 digital input XLR
  • on option slot: stereo DLNA, USB C Audio Class 2.0 and Bluetooth Audio

Audio outputs

  • 1x unbalanced stereo with variable level
  • 1x unbalanced stereo with fixed level
  • 1x unbalanced mono with variable level (summing Left / Right)
  • 1x unbalanced mono with fixed level (summing Left / Right)
  • 1x Balanced XLR output (Left / Right)
  • 1x 6.35mm jack stereo headphone output (on the front)
  • 1x Optical digital output (TOSLINK)
  • 1x COAX digital output (SPDIF)
  • 1x AES3 digital output, XLR
  • on option slot: USB C stereo USB Audio Class 2.0


  • Full scale analog outputs level: 4Vrms (balanced), 2Vrms (unbalanced)
  • Dynamic range: > 125dB (A-weighted)
  • Total Harmonic Distortion + Noise: < 0.0005%
  • A/D sampling rate: 48, 96 and 192 kHz


  • Large 256×64 pixels OLED display
  • Two rotary encoders for source selection and volume control
  • Infrared remote control
  • Intuitive menu navigation
  • Trig IN/OUT for switching on/off by an external source


  • Main voltage: 85-264VAC, 47-63Hz
  • Power consumption: 0.5W (standby),  ~10W (in use)
  • USB A max output current: 1A


  • Machined aluminum housing
  • overall dimension: 434 x 230 x 44 mm (17.08’’ x 9.05’’ x 1.74’’)
  • weight: 5.1 kg (11.25 lbs)
  • 19’’ 1U rack mount kit available


User Manuals

User Manual EN (v1.0)

Manuel de l’utilisateur FR (v1.0)


USB Windows ASIO Driver

This file is an ASIO USB class 2.0 driver valid for the following OS: Windows 7, 8, 8.1, 10 (32 & 64bit)

Windows Stereo USB Audio Class2 Driver

An option card can be fitted into the SX-DD2. It adds the following inputs:

  • A stereo input/output USB Audio Class 2.0 interface on a USB Type C connector
  • A Bluetooth audio interface on a SMA connector
  • A DLNA renderer on a RJ45 connector (module can be fitted or not)


Version 1.7 – November 2023
Note: unzip archive and store file into your USB drive root folder


  • fixed phones jack insert (was muted when menu AUDIO/PHONES was set to MAIN OUT OFF)