Spatz RCA-OPTO audio converter

TOSLINK, RCA Connector , DC 5V 500 mA The SPATZ RCA-OPTOis a versatile analog audio converter to digital audio signals. It has 2 switchable inputs, one optical and one coax.
The input signal is converted digital audio at 48 kHz uncompressed LPCM.
The unit operates fully automatic both outputs are active at the same time and can drive a minimum of 5m/16ft.
If you hear a distorted audio signal then the analog input level is too high and the AD is oversteered. Pls reduce the analog input level until the distortion is inaudible.