מולטי אפקט לבס Boss GT1B   Flagship-class BOSS sound engine specially tuned for bass Pro-level amps and effects in a light, compact floor unit Essential tools on board for optimizing your core bass tone Includes advanced MDP effects for maximum musical expression Modern design with no hard edges enables safe transport in an instrument bag Easy Select and Easy Edit functions for quickly choosing and tweaking patches Four AA batteries provide approximately seven hours of mobile playing time Onboard control switch and expression pedal; footswitch/expression pedal jack and USB Download pro patches and editor software for free at BOSS Tone Central