Yamaha EQ-500U is a high-quality graphic equalizer that provides precise control over the sound spectrum, allowing you to customize your audio experience. With 10 frequency bands, ranging from 31.5Hz to 16kHz, you can boost or cut specific frequencies to achieve the perfect sound for your music, movies, or gaming. Connect the EQ-500U to your stereo system or home theater using the included RCA cables, and enjoy enhanced audio with rich bass, clear mids, and crisp highs.