D2 is a HI-FI D/A Converter of Xindak which included two version: vacuum tube output and transistor output with digital coaxial, optic, USB input.
It adopts Wolfson AudioPlus Pure Sound ultimate WM8714 as decode chip. Realize the full-module match in interior, and match with different method
according to listening hobby personally.
Output circuit of transistor version adopts low-noise and non-inductive resistance and BB company’s OPA2604 operational amplifier. Also it can plug
operational module which consist of discrete component.
Vacuum tube version takes 6922 tube for buffer and amplification, making tone more smooth and mellow.