The BOSS DS-1-B50A is one of three iconic drive pedals reissued in exclusive metallic finishes and foiled packaging in celebration of BOSS 50th Anniversary. The DS-1 Distortion is a true icon in the world of guitar effects. Introduced in 1978, BOSS’s first distortion pedal defined a bold new sound, delivering hard-edged attack and smooth sustain that’s been a staple of players for generations