QLS-HIFI QA01 USB to SPDIF coaxial optical fiber I2S Digital Audio Sound card

USB to SPDIF digital signal ( USB digital audio );
the analog signal is converted into a digital signal ( PCM ADC );
Input
RCA simulation L+R;
USB ( 24Bit/96K sampling rate );
Output
IIS/I2S ( RJ45 interface );
RCA coaxial;
optical fiber;
Power supply ( automatic selection, an external power supply. )
the external 9V power module power supply;
USB power supply;
Internal important chip:
ADC: WM8782
USB: TE7022L
Digital output: WM8804+DS892