I-Q Light Controller Plus (QLC+) iyisofthiwe yamahhala nesiphambano yokulawula i-DMX noma izinhlelo zokukhanyisa ze-analog ezifana namakhanda anyakazayo, ama-dimmers, izikena njll. Le phrojekthi iyimfoloko yephrojekthi enkulu ye-QLC ebhalwe ngu-Heikki Junnila ehlose ukuqhubeka nokuthuthukiswa kwe-QLC kanye nokwethula izici ezintsha.