Linking of Power and Audio with ToolMix Summing Boxes
Analog Summing Gear ToolMix
Detailed view of the power link of a ToolMix8 summing box, a ToolMst master and monitor controller, and a ToolPwr-M power supply unit.
Analog Summing Gear ToolMix8  Master and Monitor Controller ToolMst  

Linking of ToolMix Summing Boxes - Detailed View of the Power Link