Answer: squawkbox

AnswerCrossword Clue
SQUAWKBOXIntercom system
SQUAWKBOXSpeaker
SQUAWKBOXIntercom speaker
SQUAWKBOXPart of an intercom system: Slang.
SQUAWKBOXIntercom, familiarly
SQUAWKBOXIntercom
SQUAWKBOXSpeaker of a sort
SQUAWKBOXPublic-address system
SQUAWKBOXPublic speaker