Wiktionary
quadrophonic
a. (alternative spelling of quadraphonic English)
Usage examples of "quadrophonic".
Wonderful perfect quadrophonic sound with distortion levels so low as to make a brave man weep.
Christian sweated and shifted uneasily in his seat as Formal Gravadlax Intifada pounded out of the in-car quadrophonic speaker system behind, below and beside him.
The console also had facilities for complete quadrophonic sound, television video-recording, the Ceefax system, a telephone and intercommunication sets.
They lit a joint and drove away, Shaggy blaring out of the quadrophonic sound system and shattering the peace of the desirable neighbourhood.