Electro-Harmonix Knockout Attack Equalizer

Featuring a dual filter foundation, seven-pole filter design and controls for low, dry and high, the Electro-Harmonix Knockout Attack Equalizer is a versatile tone-shaping tool that can completely alter the character of your instrument. Capable of turning fat low-end sustain into a a searing high-treble soar, this pedal works wonders for providing distinct guitar voicings on the fly.