Bass tone does not get much better than the Boss GT-6B Multi-Effects guitar effect pedal. Revitalize your bass guitar tone with Boss COSM technology, which incorporates a versatile processor that can be tweaked to achieve your ideal sound. Some of the most widely used bass tones are achieved effortlessly with this floor-based pedal. The COSM Compression technology faithfully replicates four compressors. The Boss GT-6B uses true analog bypass and 24-bit converters to give the music definition, warm timbres, and bold effects. The sturdy construction of the GT-6B makes it a road-worthy candidate for beginners as well as accomplished bassists.