Named after the american composer & songwriter, Cole Porter. This was a commissioned piece by Langdon. He requested the power switch be eliminated from his amp. The TPA3116D2 draws so little idle current, this is a sensible option. Equipped with a Yuan Jing "Danzz" circuit board and Precision Electronics Corporation (PEC) volume potentiometer. Wiring is Belden brilliance and Kimber TCSS.