Informal An amplifier, especially one used to amplify music.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "amp" in a sentence
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"The amp is hooked up to a PODxt Live which places the amplifier controls right there at my feet."