Replaceable OP - It has OP amp socket, DIYer could change the OP amp to get different sound.
Notice: D10's electrical parameters will change if use other OP
Multiple Applications - Connect D10s to your active speakers. D10s Provide not only DSD and higher-specification PCM compatibility but also a better sound quality than your computer's built-in sound card or a regular DAC; You can connect D10s's line out to your amplifier/headphone amplifier's input to make D10s one part of your HIFI systemYou also can connect D10s's coaxial/optical output to your DAC, then D10s serve as a USB interface