API L200R 12 Slot 200 Series Module Rack Features Holds 12 API Vision or Legacy Plus L200 series modules XLR Jacks for Inputs and Outputs, Pin 2 Hot TT Jacks for side chain / Aux Out / Mic In, etc. Powered by API external L200PS Tri-polar, +16v / -16v / +48V external power supply 100 to 250 volts 50/60 [...]