The EQ-20 Advanced EQ by BOSS is a groundbreaking pedal featuring 10 bands of digital EQ, designed to enhance the sound quality for guitarists, bassists, and live performers alike. This pedal allows for swift real-time adjustments with its user-friendly physical sliders, making it easier to tweak your settings on-the-fly. Offering professional-grade sound quality, the EQ-20 utilizes exceptional A/D-D/A converters, ensuring your sound is crisp and clear. It also provides nine internal memories, enabling users to store and easily recall their favorite EQ settings. While this pedal is single-purpose in design, its straightforward user interface makes it accessible even for beginners. Although it has been discontinued, the EQ-20 remains a beloved choice for musicians seeking precise EQ control.