Which device converts an acoustic wave into an electrical signal?

Headphones
Loudspeaker
Microphone
Amplifier
A microphone, colloquially nicknamed mic or mike is a transducer that converts sound into an electrical signal. Microphones typically need to be connected to a preamplifier before the signal can be recorded or reproduced.
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Answers by country

Headphones
Loudspeaker
Microphone
Amplifier
answers
flagCanada
0%
0%
84%
7%
13
flagthe Netherlands
4%
13%
81%
0%
22
flagGermany
6%
10%
68%
13%
147
flagSwitzerland
7%
7%
61%
23%
13
flagAustria
12%
15%
60%
12%
40
flagPoland
9%
11%
55%
23%
9774
flagthe United Kingdom
2%
14%
50%
31%
48
flagAustralia
23%
11%
50%
11%
26
flagIndia
19%
6%
48%
23%
334
flagGreece
31%
10%
47%
10%
19
flagthe Philippines
12%
12%
41%
33%
24
flagthe United States
22%
8%
40%
27%
99
flagPakistan
0%
0%
35%
64%
14