loudspeaker

Every few minutes, the chatter would be momentarily quietened by a voice hissing over the loudspeaker: "Silenzio."

In Christian neighbourhoods in the capital, cars have been filmed driving through the streets with preachers advocating for Islam over loudspeakers.

For instance, Neodymium is used to make the powerful magnets used in loudspeakers, computer hard drives, EV motors and jet engines that enable them to be smaller and more efficient.

An anti-Brexit activist has been cleared of breaching a police ban after playing music on loudspeakers at a protest outside Parliament in London.

A police helicopter circled and a loudspeaker gave orders to those in the area: “The school is closed. The park is closed. Find your way home. Please. It is time for you to leave. Leave.”