KiOgon Tone Switch.   An alternative for the tone pot, bass or guitar, a 4 way rotary switch that gives 2 tone positions + Bypass and Kill/Off. Solderless fitting, screw terminals for your wires, simple to install, wiring instructions and screwdriver supplied. Your existing volume control/s can remain in use or be bypassed. . Clockwise operation gives; A = Off or Kill B = On - Bypass, no tone pot/resistor or capacitor, straight through output