This article covers how to contact Cambridge AV companies not associated with Biamp.
Cambridge Soundworks - The Oontz Speaker people
Cambridge Soundworks is an American manufacturer of low-mid level consumer audio products, namely the Oontz line of speakers, soundbars and earbuds. The do not have a direct phone line but their support department and technical documents can be reached at
Cambridge Audio - The Hi-Fi people
Cambridge Audio is a British Manufacturer of high end consumer Hi-Fi equipment such as Headphones, turntables, amplifiers and the "Melomania" line of earbud.
Direct America support line: (877) 357-8204
Direct Support Website: https://www.cambridgeaudio.com/usa/en/contact