Workhorse Cube 3-Slot Portable Desktop Power Rack (Empty)Following the criteria established by the Radial Workhorse, the Cube is 100% backwards compatible with older API modules while being optimized for Radial expanding range of preamps, processors and routing devices. Construction begins with a 14 gauge steel frame and features dual gold contact EDAC 15 pin connectors for optimal signal transfer. To maximize headroom, the external supply delivers 500mA of current for power hungry modules plus a separate