asked 120k views
4 votes
Can be used for recording or playing back sound

.a. Headphones
b. Amplifier
Selected:c. CD-player/recorder
d. Microphone

1 Answer

5 votes
the answer is B because an amp used in music booths are always connected for sound to come out of and sound to go in
answered
User Arul Rozario
by
8.7k points
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