Decibelvibe TNZ SGE6 - Audio Graphic Equalizer with Rear RCA/3.5 Auxiliary Input and Output, Built-in Microphone, USB and Bluetooth Input, Preamp for Home Audio, DJ, HiFi Audio Setup (Silver)For All Sound Systems: The TNZ SGE6 is an audio stereo equalizer with 31 bands spectrum, perfect for any sound systems (home audio, hometheater, car audio, professionals setup). Easy connections: With rear RCA + 3. 5 auxiliary inputs outputs, it's compatible with various audio systems, like Stereo amplifiers and Preamps, Hifi systems, Hometheater systems, Mixing consoles. USB and Built In Microphone Inputs: This audio visualizer also features USB