Electro-Harmonix Little Big MuffFinally housed in a compact die cast box, this legendary distortion sustainer has a true 1970's tone. The Electro Harmonix Little Big Muff features the same silky smooth violin like sustain and creamy tone that made the legendary 1970 Big Muff Pi famous this little brother displays its heritage proudly. Same circuitry in a compact die cast box, made in the USA . Features: True bypass Tough and compact die cast chassis 9 volt battery included Made in