Electro-Harmonix Crying ToneThe wah wah pedal was introduced in the 1960s. Now, almost half a century later, Electro Harmonix has solved many of its inherent problems by creating a gorgeous wah with absolutely no moving parts and the sweetest tone. Sspecifications No moving parts No pots, foot switches or gears to break Super responsive and expressive Instantaneous switching from bypass to effect No foot switch that is set too high or low to respond properly Best wah tone