A circle showing a side-facing speaker or sound icon with soundwaves.

Round Speaker Icon With Sound Waves

Loud Speaker

A shadowed, rounded square displaying a user icon with a sound wave.

An electronic music speaker, amplifier or sound system.

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

A volume icon for sound control represented by a basic speakerphone with sound waves. 

A volume icon with a speaker and sound waves.