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The GT-1B gives bass players a massive range of pro-tone-shaping power in a small and robust package. Backed by BOSS’s premium sound engine, you have full access to a vast selection of bass-optimized amps and effects for stage and studio playing. The streamlined interface lets you dial in sounds fast, while the onboard control switch and expression pedal enable you to adjust multiple effects in real-time. And by connecting to BOSS TONE CENTRAL, you can download new patches, editing software, and more. Compact, rugged, and battery-powered, GT-1B is the ultimate mobile tone companion for every bassist.