The Electro Harmonix East River Drive True Bypass Overdrive Pedal that represents the boldness of NYC. Based on the classic JRC4558 overdrive, Electro Harmonix's version adds edge and gain without compromising any tone. The volume and drive functions take it from sweet to scalding and the tone function allows you to dial in just the right amount of bite to cut through the mix. The Electro Harmonix East River Drive is a JRC4558 IC based pedal that’s as bold as New York City. Symmetrical overdrive adds edge and gain without compromising tone. Volume and Drive take it from sweet to searing while Tone lets you dial in just the right amount of bite to cut through the mix. No matter how hard you drive it, you’re always in control. True bypass and tone that is absolutely unflinching at a musician-friendly price! • Great for getting some dirt out of a clean amp or pushing your dirty amp over the top • True Bypass • Tough, compact die-cast chassis • 9V battery included