An analogue performance mixer that completes your volca setup.volca mix is the long-awaited mixer for the volca series. The volca mix is a four-channel analogue performance mixer that lets you construct a live setup combining multiple volca units. Volume faders are easy to control, plus crisp-sounding LO/HI CUT filters, and a master chain that radically transforms the sound. In addition to the sync function found on all volcas, there are also DC output connectors that can supply power for up to ..