What is another word for quadra-phonic?
Pronunciation: [kwˈɒdɹəfˈɒnɪk] (IPA) 
Quadra-phonic is a term used to describe sound reproduction systems that use four channels or speakers. However, there are several synonyms for quadra-phonic that can be used to describe similar sound systems. One such synonym is quadraphonic, which is commonly used in the music industry. Other synonyms include four-channel sound, multi-channel sound, and surround sound. These terms are often used in audio equipment and home theater systems. In recent years, technology has advanced to allow sound reproduction that far exceeds quadra-phonic sound, with many systems now capable of producing 7.1 or 9.1 channel audio.
