An encasing containing one or more loudspeaker devices and usually other electrical equipment such as a driver.
An electromechanical transducer that converts an electrical signal into audible sound.
Any such transducer that is loud, as opposed to quiet ones such as those found in headphones.
The part of a telephone that is held close to the mouth.
The part of a wind instrument that is held in or against the mouth.
A lawyer for the defense.
A spokesman; one who speaks on behalf of someone else.