Electro Harmonix Switchblade ProThe Switchblade Pro is our 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 at once Setup your effects loops to run in series or parallel, control what loops are