The EQ Series refers to a line of audio equalizers designed to enhance sound quality by adjusting the balance between frequency components. These devices are essential in both live sound and studio environments, allowing sound engineers to tailor audio output to suit specific acoustics or personal preferences. With features like multiple frequency bands and adjustable gain, the EQ Series provides users with the tools to achieve a polished sound. Whether for music production or live performances, these equalizers play a crucial role in delivering clear and balanced audio, making them a staple in the audio industry.