The Pyle PPEQ150 is a 19" Rack Mount Dual 10-Band Stereo Graphic Equalizer. With dual 10-band equalizers, each monitored by an electric blue LED, you can't go wrong. Change the shape, texture and even color of your sound with this equalizer. To ensure the actual loudness of a sound, dual VU meters have been installed. Also, the mount brackets are removable for easy storage and use.