The Yamaha EQ-500 is a high-performance 5-channel graphic equalizer designed for professional audio applications. It features individual 8-band graphics channels with selectable boost/cut and bypass controls, as well as master input and output level controls for each channel. The EQ is equipped with premium-grade components, such as high-quality capacitors and low-noise, high-linearity op amps, for optimal audio performance. It also offers a rugged, durable construction and XLR and TRS connectors for easy integration into any studio or live sound setup. Overall, the Yamaha EQ-500 is a reliable and flexible tool for sculpting and enhancing audio signals in a variety of applications.