EntityQ862880· pop 20· linked from 969 articlesaudio effects unitSign in to saveelectronic or digital device that alters how a musical instrument or other audio source soundsConnectionsguitar amplifierEntityequalizationEntityaudio engineerEntityHammond organEntitypickupEntitydistortionEntity19-inch rackEntitychorus effectEntitypitch shiftEntityThe Rolling StonesEntitymicrophoneEntityDoppler effectEntityvacuum tubeEntityFender Musical Instruments CorporationEntityphaseEntitypotentiometerEntitysamplerEntityhigh fidelityEntityelectronic keyboardEntityAuto-TuneEntityCategoriesEffects unitsElectric guitarsGuitarsPedalsRock musicSound effectsSound recording