Over the years overdrives have become the "pedal of choice" for Rock and Blues purists looking to re-create the Guitar tones of their heroes. Extremely versatile, they can be used to add grit to a clean guitar sound, boost a solo, or to drive the front end of a tube amplifier harder. The problem is that most overdrives mask your guitar's original tone, leaving a boxy-sounding, overly compressed signal with poor low end and no dynamic responsiveness.
OD-2 OVERDRIVE page at Guyatone 's website...