TEMPORUS is 3 -way speaker, with 2 x 12″ MID/BAS , and 2″ compress drivers loaded horn. D class amps drives 12″driver units, and 2″ compress speaker with Tractrix horn drive mono tube amp base on EL 84 tubes . DSP in speakers control all drivers and you can personalize the sound that is unique and with Armonia software you can create sound in your listening room just the way you want it.