... PCM2906B, converts USB into a S/PDIF signal CS8416, DA-receiver chip Dual WM8740s, D/A chip iBasso D12 Anaconda High ... and split case, which is convenient for OPAMP rolling.Main Features:- PCM2906B, converts USB into a S/PDIF signal- CS8416, DA-receiver ... MCU (Micro Controller Unit) to manager inputs, outputs, and functions.- Flexible input and output compatibility. It has USB, optical, coaxial, stereo ...