Fender ABY switch in excellent condition and in full working order. Fender's ABY foot switch with passive switcher allows you to plug a single guitar into two amplifiers or plug two guitars into a single amplifier, making it easy and convenient to create a rig with eminent flexibility and a variety of tone options. FEATURES True hardwire bypass in the off position lets players retain their natural tone without interference or signal loss. “A or B” and “A and B” switching options allow for greater versatility within your rig. Durable metal chassis and switches withstand onstage wear and tear. LED illumination requires 9-volt battery or power source.