Electro-Harmonix Switchblade + Advanced Channel Selector Route your signal to output A or output B or both simultaneously Easily switch between different pedal boards The tuner jack is hardwired to the input jack and provides a direct output for a tuner or other effects regardless of the state of the unit The audio path is completely passive The Switchblade Plus can be powered by a 9 volt battery or 9VDC eliminator Easily switch between different pedal boards The tuner jack is hardwired to the input jack and provides a direct output for a tuner or other effects regardless of the state of the unit The audio path is completely passive The Switchblade Plus can be powered by a 9 volt battery or 9VDC eliminator