The JOYO 10-Band EQ Graphic Guitar Equalizer Pedal is a versatile and high-quality pedal designed for electric and bass guitars. With a true bypass function, digital technology, and a wide range of ±12dB adjustment, this pedal allows for precise and professional tone shaping on the fly. Its compact size, lightweight design, and sturdy construction make it a must-have for guitarists looking to achieve optimal sound quality. The JOYO R-12 model is reliable and trusted by musicians, with a reputation for excellent performance and value for money.