Which device converts electricity into acoustic energy?

Microphone
Headphone
Amplifier
Preamplifier
Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound.
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Answers by country

Microphone
Headphone
Amplifier
Preamplifier
answers
flagGreece
0%
58%
25%
16%
12
flagAustralia
25%
56%
12%
6%
16
flagthe Netherlands
6%
56%
18%
18%
16
flagGermany
14%
54%
25%
5%
75
flagAustria
13%
53%
26%
6%
15
flagPoland
18%
46%
29%
5%
8506
flagIndia
18%
44%
28%
7%
219
flagthe United States
17%
40%
36%
5%
74
flagthe United Kingdom
20%
40%
25%
11%
35
flagCanada
25%
33%
33%
8%
12
flagthe Philippines
50%
10%
30%
10%
10