Even the best sound system can benefit from the use of a good EQ, like the Behringer FBQ800 9 Band Graphic Equalizer. The FBQ800 graphic EQ allows you to control the flow of audio traffic. In the ingenious circuitry of the Feedback Detection System (FBQ), LEDs on the individual faders light up when that frequency band is approaching the danger zone. All you need do is lower the illuminated slider until the LED blinks out, feedback problem solved!
Behringer FBQ800 9 Band Graphic Equalizer Features: