SOtM sHP-100 Headphone Amp/DAC

The SOtM sHP-100 is a combined USB DAC & high performance headphone amplifier. The unit supports USB, Coaxial, Optical and Analog line input and has headphone output as well as analog line output. As for DAC function of the unit, there is Line output select switch on the bottom side of the unit, you can set the analog line output to the variable line output or the fixed line output. If you set to the variable line output, you can connect the unit to Power-amplifier and control the analog line level by Volume control knob on the front side of the unit. If you set to the fixed line output, you can connect the unit to Pre-amplifier or Inti-amplifier. As for headphone output, you can control the output by Volume control knob on the front side of the unit, and set the output impedance of headphone by Headphone impedance select switch on the bottom side of the unit. Also, the unit has 3.5mm stereo line input jack on the front panel so you can use the unit as a headphone amplifier or pre