Stereo

Three round knobs set on different directions on a surface.

Three Knobs On A Surface

An electronic music speaker, amplifier or sound system.

A stereo set or system with two identical speakers and audio source/amplifier in between.

A front-facing rectangular speaker, amplifier or sound system with two round shapes.

An electronic music speaker, guitar amplifier or sound system.

A front-facing electronic music speaker, amplifier or sound system.

An electronic music speaker, amplifier or sound system with two music notes.