The EHX 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 siganl routing needs. The compact pedal is a versatile and indispensable tool! Features: · 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 on and, in series mode, what their order is · Multi-instrumentalists can connect up to three instruments into one amplifier · Mix three instruments together and control the volume of each · With its Dry Level control, the Switchblade Pro is great for bass players · The Switchblade Pro prevents tone-suck when vintage, non-true bypass pedals in its FX loops are disengaged · Can provide an adjustable volume boost up to 6dB of clean gain · Power adapter included