Slam Jam x Funktion-One T-Shirt WhiteFunktion-One designs and manufactures high performance loudspeakers for a wide range of applications. Funktion-One s approach to loudspeaker design was established by founder Tony Andrews, who has been a pioneering force in the professional audio industry since its formation in the early 1970s. Tony continues to lead the Funktion-One design team and its research and technological developments. Slam Jam and Funktion-One full disclosure and merch will launch on October 28th from 7 to 10 pm with Don Letts dj set. 100% Cotton Regular Fit Ribbed Crewneck Logo Printed at Front Graphic Printed at Back Style Code: BBMW042FA09 WTH0001. Colour: white