The BOSS AB-2 2-Way Selector Pedal is a compact and reliable footswitch designed for musicians who need to switch between two inputs or outputs with ease. Whether you're toggling between two guitars, amplifiers, effects setups, or switching between an amp and tuner, the AB-2 offers a simple, one-click operation. Its silent FET switching technology ensures noise-free transitions, making it ideal for live performances. Built with BOSS's renowned durability, the AB-2 is powered by two AAA batteries, providing up to 100 hours of continuous use. With its user-friendly design and robust construction, the AB-2 is a valuable addition to any pedalboard.