The Optimus 31-2030 VTG Ten Band Stereo Graphic Equalizer is a vintage audio device that provides a spectrum display for adjusting audio frequencies. With two stereo channels and three inputs, this black equalizer allows for precise control over your audio signal. Made in Korea, Republic of, this analog device offers RCA outputs for connecting to other audio equipment. The model, Optimus 31-2030, delivers a power output of 110W, making it a reliable and versatile addition to any audio setup.