AKG AKG is a pro audio company founded in 1947 and based in Vienna, Austria. AKG is best known in the professional world for their microphones which are used in studios all over the world. They are also well known for their headphones. Average User Rating 0 0 votes Please sign in to rate. Your Rating 0 Contact Phone Number: +1 (888) 452-4254 Address: AKG Acoustics GmbH Laxenburger Straße 254 A-1230 Vienna Austria Email: HCIcustomersupport@harman.com Online: History History coming soon!