Stereo mixer with high quality audio grade op-amp.
Channel 1 and 2 are mono input with knob.
Channel 3 and 4 are stereo input with knob.
Channel 5, 6, 7 and 8 are stereo input by jumper in back.
It can be used as expander of pxl.
All channels are DC coupled. So suitable with audio and CV signal.