The Boss GE-7 Graphic EQ is an intuitive 7-band EQ pedal, allowing you to tweak frequencies ranging from 100 Hz to 6.4 kHz and adjust by 15 dB per band. This pedal gives you a huge level of control over your tone and eliminates unwanted feedback. It's so popular that it's been in continuous production since 1981, so it might be time to pick one up and give it a try for yourself.