24/192 recoding issue with DAC+ADC pro

I have rpi 3 with DAC+ADC pro setup. My intention is to capture 24/192 wav file

I am using the following commands 

# systemctl stop alsaloop

# arecord -c 2 -r 192000 -f S24_LE audio_capture.wav

The audio file gets recorded with all static (hiss). 

The setup works fine with 16 bit and 32 bit variations.

What am I missing?


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