bullhorn

Handheld voice projector

A bullhorn is a portable loudspeaker with a built-in microphone and amplifier, shaped like a cone and held by a handle.

Police use them to address crowds, protesters to lead chants, coaches to bark instructions across a field: She grabbed the bullhorn and called for order.

Also called a megaphone.

amplification

loudspeaker

Sound amplification device

PA systemAmplified announcement network
voice projectionSending speech farther
volumeAmount of space filled

announcement · broadcast · speaker · amplifier · public address · audibility · projection · handheld · portable · battery-powered

protest

rally

Gathering for a cause

demonstrationPublic display of opinion
marchRhythmic group walk
activismDirect effort for reform

chant · placard · picketing · crowd · organizer · agitator · civil disobedience · movement · solidarity · banner

authority

crowd control

Regulating gathered masses

directiveFormal command or instruction
commandAuthoritative instruction given
evacuationRemoval from danger

emergency · police · coach · lifeguard · foreman · drill sergeant · announcer · referee · marshal · supervisor

bullhorn

loudspeaker

rally

crowd control

bullhorn

Opposites

Categories

Family