|quadraphonics or quadrophonics (ˌkwɒdrəˈfɒnɪks)|
|(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|
|quadrophonics or quadrophonics|
|quadra'phonic or quadrophonics|
|quadro'phonic or quadrophonics|
|quadraphony or quadrophonics|
|quadrophony or quadrophonics|
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