Simplex is a name used by at least three artists. The earliest being an Australian hip hop producer/mc from Adelaide, Australia and also part of the Terra Firma and Certified Wise (Hilltop Hoods, Funkoars, Vents, Crossbred Mongrels etc) crews. Also a Bangkok Thailand duo and an unsigned band from California, USA) (1) Simplex - A Bangkok (Thailand)-based duo They have released an album "X" on dontcan records. Members are: Nannue Tipitier (Katenan Juntimathorn) and Max Petersen