This wah-wah pedal, model GCB95, by Dunlop is THE wah-wah pedal that set the standard and created some of the most timeless sounds in rock. New updated version. Used by Jimi Hendrix, Eric Clapton, Buddy Guy, David Gilmour and a host of other musicians over the years. Since then they've come out with many variations of this basic sound, but this was good enough for them, and it will do a great job for you, too, and at a decent price. Classic G-6 inductor. Use with any electric guitar or in combination with other effects. Bottom plate with battery compartment uses a 9v battery (included) or an AC adapter, ECB03 (sold separately). Tough, road-worthy construction. New in box. Made in the USA.