MXR 6-Band Graphic EQThe MXR 6 Band EQ covers all the essential guitar frequencies, with each slider ready to deliver + 18dB of cut or boost for incredible control over your sound. This pedal is ideal for creating scooped mid rhythm tones with massive low end. It can also add natural sounding warmth to a quacky acoustic pickup and eliminate onstage feed back. You can also use the 6 Band EQ in the effects loop of your amp for a huge, sculptable lead boost. Power: Dunlop