noun

an amplifier

noun

a piece of electronic equipment that makes sounds louder, used for example with electric guitars or in stereo systems

noun

a piece of equipment that makes your voice louder when you talk into it, used especially for talking to crowds of people outside

noun

a piece of electrical equipment that allows sounds or voices to be heard loudly at a distance

noun

a piece of equipment used for making your voice louder when you are talking to a crowd

noun

a microphone

noun

a piece of equipment for making someone’s voice louder when they are speaking, performing, or recording something

noun

a microphone

verb

to put a small microphone on someone, for example in order to record what they say

noun

public address system: a set of electrical equipment that makes sounds louder, used especially for making announcements to a group of people or for playing music in a public place

verb

to call someone’s name in a public place, especially using a PA system

noun

a check of all the equipment needed to play music or broadcast a speaker’s voice to an audience

noun

a set of electronic equipment used for playing recorded music or for making a speaker’s voice louder

noun

a piece of equipment that sends out the sound from a CD player, radio etc

a system of loudspeakers used for making announcements in public places and large buildings such as factories

noun

a speaker (=a piece of equipment that sound comes out of) that is designed for high sounds. A speaker designed for low sounds is called a woofer.

noun

a speaker (=a piece of equipment that sound comes out of) that is designed for low sounds. A speaker designed for high sounds is called a tweeter.