AKG by Tiesto headphone line launches with three models, folding designs (updated with video) Tiesto's headphone line, AKG by Tiesto, has finally gone live online. There are three models in all, with folding designs and varying audio qualities. Related Posts: ZAXX makes a welcomed return to Tiësto’s Musical Freedom with ‘Psychoactive’ Saturday Night Session 047: KSHMR proves ambition pays off with ‘Harmonica Andromeda,’ crafts stunning hour-long accompaniment