stereo

US /ˈster.i.oʊ/
UK /ˈster.i.oʊ/
"stereo" picture
1.

a sound system with two or more separate speakers, creating the effect of sound coming from different directions

:
He turned up the stereo to listen to his favorite album.
The new car has a great sound system with a built-in stereo.
1.

relating to or denoting sound reproduction involving two or more separate channels to give a more natural effect to the listener

:
The concert was recorded in full stereo sound.
These headphones provide excellent stereo separation.