Electro Harmonix Switchblade Plus

guitar and bass stompbox, tuner out (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), A/B or A+B box, audio path is completely passive, 1x In/2x Out, 9V power supply or 9V battery is needed for the LED´s (both is optional)