A black megaphone positioned on a white background.
Schlüsselwörter
megaphone,
sound,
communication,
announcement,
loudspeaker,
audio,
voice,
signal,
public,
event,
rally,
speech,
protest,
amplification,
device,
equipment,
portable,
handle,
design,
media,
clarity,
volume,
message,
speaker,
broadcasting,
technology,
utility,
tool,
influence,
engagement,
performance,
crowd,
attention,
marketing,
alert,
information,
promotion,
expression,
interaction,
presence,
visibility,
noise,
impact,
worked,
response
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