Black silhouette of a megaphone, on a white background, to project sound
Schlüsselwörter
megaphone,
bullhorn,
loud,
speaker,
sound,
projection,
announcement,
cheerleading,
communication,
voice,
amplify,
message,
call,
warning,
alert,
attention,
emergency,
protest,
demonstration,
rally,
support,
sport,
game,
fan,
black,
silhouette,
white,
background,
icon,
symbol,
design,
vector,
illustration,
graphic,
equipment,
tool,
instrument,
noise,
speakerphone,
shout,
signal
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