The Lehle Dual A/B SGoS Amp Switcher Guitar Pedal is a extremely high-quality analog amp switcher made in Germany by the renowned brand Lehle. This one is in near mint condition and fully functional. This pedal allows guitarists to easily switch between two amplifier channels, providing versatility and control over their sound. The Dual SGoS model offers a reliable and professional solution for musicians looking to enhance their guitar effects and performance.