IPA: //kwɒdrɪˈfɒnɪk//
KK: /kwɑːdrɪˈfɒnɪk/
Relating to a sound system that uses four channels to create a surround sound experience.
The concert was enhanced by a quadriphonic sound system that filled the entire room with music.
Quadriphonic → It is formed from "quadri-" (from Latin "quattuor", meaning four) and "phonic" (from Greek "phonē", meaning sound). The word describes a sound system that uses four channels for audio output.
Think of 'four' ('quadri-') sounds ('phonic') working together to create a rich audio experience.
No commonly confused words.