2U amp panel, pre punched for 4 x ‘D series’ inputs and 4 x ‘G series’ speaker output.
Wire this however you’d like, but it’s been designed for Left and Right inputs via XLR, with paralleled XLR outputs, plus 4 x Speaker outputs, powered by your mighty amp rack.
Neutrik ‘G series’ works perfectly here NL4MPR and NL8MPR, along with Amphenol EP series speaker panel mounts.