Fishman Dual Footswitch Dual footswitch for Loudbox Artist and Performer (new model) CHANNEL MUTE: Mutes both channels while the Aux input remains active. EFFECT B: Switches off Effect B on either one or both channels, provided they were previously activated on the amplifier. This illuminated 2-button footswitch works only with Fishman Loudbox Artist and Performer amplifiers (new model, brown).
