The dbx iEQ-31 2ch 31-Band Graphic Equalizer is a professional-grade digital effector. Made by the renowned brand DBX and manufactured in Japan, this equalizer offers precise control over the frequency response of your guitar's sound. With 31 individual bands and a high gain of 113dB, this device allows for fine-tuning and shaping of your guitar's tone with incredible accuracy and clarity. Whether you are a musician looking to achieve a specific sound or a sound engineer working on a recording project, the dbx iEQ-31 is a reliable and high-quality tool for achieving professional results.