SPEAKON

  4 pole chassis connector, black round G-size flange, countersunk thru holes, 3/16"..

  8 pole chassis connector, nickel metal square G-size flange, countersunk thru hole..

  8 pole cable connector, latch lock, chuck type strain relief for cables 8 - 2..

  4 pole chassis connector, black D-size flange, countersunk thru holes, 3/16" flat ..