BOSS DS 1 Distortion Pedal, Distortion Effects Pedal for Guitar, Bass, Keyboard with Distortion, Level, and Tone Controls|Guitar Parts & Accessories| - AliExpress
New Modify Your BOSS Ds-1 Ds1 to ULTRA SEM Specifications Hifi | Etsy Ireland
Boss turns DS-1 Distortion pedal into USB mouse, changes the game forever | Engadget