stereo
ste-re-o
noun
An electronic system for playing recorded sound through two or more speakers.
"He bought a new stereo for his flat."
adjective
Relating to sound recorded or reproduced using two independent channels.
"The concert was recorded in stereo sound."
Thesaurus
Synonyms: stereo system, stereophonic system, stereophony, stereoscopic picture, stereoscopic photograph, two-channel, biaural, binaural, stereophonic