Four-Channel Expandable Analog Stereo Mixer
It's a completed eurorack four channel mixing console system. This complete set includes one XOT master channel and four XIN input channels and ready to expanding. If you want more than four input channels, add more XIN modules in chain and have a full analog mixing console with number of input channels as you will wish. Tested and approved as a set
http://catoffsystems.com/mix4ch/
This Module is currently available.
$297