amplifier

US /ˈæm.plə.faɪ.ɚ/
UK /ˈæm.plə.faɪ.ɚ/
"amplifier" picture
1.

an electronic device for increasing the amplitude of electrical signals, used in sound reproduction.

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He connected his guitar to the amplifier to make it louder.
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The concert hall had powerful amplifiers for the sound system.
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ampboostermagnifier
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amplify