Boss GT-1B Bass Effects Processor is equipped with Boss’s most advanced sound engine to date and is specifically designed for bassists. Packed with top-of-the-line sound tools, players can easily tailor their sound at the touch of a button. This versatile effects processor is equipped with a wide variety of preamps, along with effects such as a limiter, distortion and an expression pedal. What’s more, players also have access to a graphic EQ, looper and T-Wah, as well as impact effects including a Harmonist, Bass Synth, Defretter and many more.