Any such transducer that is loud, as opposed to quiet ones such as those found in headphones.
An electromechanical transducer that converts an electrical signal into audible sound.
An encasing containing one or more loudspeaker devices and usually other electrical equipment such as a driver.
A microphone.
A minute.
To microphone; to place one or more microphones (mikes) on.
To measure using a micrometer.