Electro Harmonix Switchblade Pro Deluxe Switching BoxThe Switchblade Pro is Electro Harmonix's deluxe switching box featuring true mechanical bypass, soft switching, high quality and low noise buffers, volume controls for all input signals, high headroom and a multitude of possible configurations for all your signal routing needs. This compact pedal is a versatile and indispensable tool! Switch between two amps or turn them both on a once Setup your effects loops to run in series or parallel, control