Each of both channels can be adjusted in volume within a range of -10dB to +10dB. Generally all Cwejman products are screened from interferences. Further details can be seen in the pdf file and in the picture.
input section: 2 x XLR, 2 x 3,5mm socket
output section: 2 x XLR, 2 x 3,5mm jack
3U Eurorack module, 12HP wide, 25mm deep
power consumption 20mA