【31-Band Equalizer】Audio spectrum analyzer has accurate real-time 31-band frequency point level and each frequency point uses 30 lights to display the level signal. Support 12 kinds of jump mode selection 【Rugged and Portable】Adopts a standard 1U ultra-thin but sturdy chassis. Sealed rotary controls are dust-proof to ensure your equipment stays in top condition 【User-friendly Interface】Our equalizer comes with a large LED screen, a user-friendly interface and intuitive controls, allowing you to easily adjust audio settings to suit your preferences 【Versatile Interface】Input and output interfaces support multiple types: optical/coaxial decoding, Lotus audio output, U disk lossless playback, easily connect to your device 【Application】This audio spectrum analyzer is an ideal accessory for home theate, KTV venues, music studios, and DJ equipment as it provides both visual and auditory feast