It(d50 or d30) could act as a volume controler but that is not the best way to playback . Digital volume control harms the dynamic range badly . The DACs are not designed to do this job .
“Breeze Audio” actually is a brand of the chassis . There are many small sized audio companies (or diy workshop ) in mainland of China sell their audio products in taobao.com without remarking these chassis . Once you see this "breeze audio" chassis it must be a workshop that pays no...