When people talk about wah pedals, they’re talking about the Crybaby. This is the original - the one that created some of the most timeless sounds in rock. Relied on by Jimi Hendrix, Eric Clapton, Buddy Guy, David Gilmour, and many other great guitar players. Features: Heavy die cast construction for years of reliability, 100K ohm Hot Potz potentiometer that allows for that quick, abrupt wah sound. Powered by the Dunlop ECB-003 AC Adapter and/or 9 volt battery.