quadriphonics

[ kwod-ruh-fon-iks ]
/ ˌkwɒd rəˈfɒn ɪks /

noun (used with a singular verb)

Also called quad·ri·son·ics [kwod-ruh-son-iks] /ˌkwɒd rəˈsɒn ɪks/.

Origin of quadriphonics

see origin at quadraphonic, -ics