Boss OS-2 OverDrive/Distortion (Silver Label) 1990 - Present - Yellow. Excellent condition in original box with all paperwork.

Two Colorful Drives, One Powerful Pedal

The OS-2 Overdrive/Distortion features a versatile hybrid design that combines independent overdrive and distortion circuits in a single compact pedal. Praised by everyone from professional players to beginners for decades, its specially tuned circuits can be used alone or blended in parallel to achieve distinctive combinations. The ultra-flexible OS-2 offers an ideal balance of sonic diversity and ease of use, allowing guitarists to dial in great tones for every style in seconds.

• Discrete overdrive and distortion circuits in a hybrid compact pedal
• Classic BOSS overdrive circuit delivers rich, singing midrange
• Precision-tuned distortion circuit supplies tightness and punch
• Color knob for selecting isolated overdrive or distortion sounds or blending the two circuits in parallel