speaker

/ˈspiːkə/noun

A person who is talking, or who gives speeches to an audience.

Example sentence

“The keynote speaker held the audience's attention for a full hour.”

Also the device that produces sound from a phone or stereo, and, capitalized, the presiding officer of a legislature.

Related words

earbudsTiny earphones that sit inside the ear, used for listening to music or calls from portable devices.microphoneA piece of equipment that turns sound into an electrical signal so it can be recorded, amplified, or broadcast.joystickA control device with an upright handle on a base, often fitted with buttons, used to steer aircraft, play video games, or operate machinery.webcamA video camera that streams live pictures over a computer network, especially the internet.controllerA person or device that directs or manages something.smartphoneA mobile phone that works like a small computer, with far more functions than a basic handset.