WAHWAHPEDAL
Wah-wah pedal
A wah-wah pedal is a type of guitar effects pedal that alters the tone of the signal to create a distinctive effect, mimicking the human voice. The pedal sweeps the peak response of a filter up and down in frequency to create the sound, also known as "the wah effect." The wah-wah effect originated in the 1920s, with trumpet or trombone players finding they could produce an expressive crying tone by moving a mute in the instrument's bell. This was later simulated with electronics for the electric guitar, controlled by movement of the player's foot on a rocking pedal connected to a potentiometer. Wah-wah effects are used when a guitarist is soloing, or ...The above text is a snippet from Wikipedia: Wah-wah pedal
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