a directional, high-powered, electrical loudspeaker or megaphone.
Contemporary Examples

Martin Luther King Was White? Blake Gopnik August 21, 2011
Street Battle Against Cops Again in Ferguson Despite Midnight Curfew Justin Glawe August 16, 2014
Use Islam to End the Iranian Regime Nazee Moinian June 23, 2009
Street Battle Against Cops Again in Ferguson Despite Midnight Curfew Justin Glawe August 16, 2014
Here’s Why We Can’t Get Jobs Alex Klein September 17, 2012
11 Politicians to Watch in 2011 Samuel P. Jacobs January 1, 2011
Egypt Protests: No Islamist Plot to Oust Mubarak Babak Dehghanpisheh January 30, 2011
March on Washington in 1963 Was Truly Militant, Despite Portrayals Jamelle Bouie August 25, 2013

Historical Examples

Sonny Rick Raphael
If at First You Don’t… John Brudy

(US & Canadian) a portable loudspeaker having a built-in amplifier and microphone Also called (in Britain and certain other countries) loud-hailer


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