quadriphonic system

English Thesaurus

1. a stereophonic sound recording or reproducing system using four separate channels (noun.artifact)

hypernym	:	stereo, stereo system, stereophonic system, stereophony,
definition	:	reproducer in which two microphones feed two or more loudspeakers to give a three-dimensional effect to the sound (noun.artifact)

derivation	:	quadraphonic, quadrasonic, quadriphonic, quadrisonic,
definition	:	of or relating to quadraphony (adj.pert)

derivation	:	quadraphonic, quadrasonic, quadriphonic, quadrisonic,
definition	:	of or relating to quadraphony (adj.pert)