quadraphonics

/ ˌkwɒdrəˈfɒnɪks, kwɒdˈrɒfənɪ /

noun

1. (functioning as singular) a system of sound recording and reproduction that uses four independent loudspeakers to give directional sources of sound. The speakers are fed by four separate amplified signals

Other Word Forms

• quadraphonic adjective
• quadraphony noun