Electro-Harmonix Knockout Attack Equalizer Pedal

Electro-Harmonix Knockout Attack Equalizer Pedal

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Punch up your tone!

With the Knockout Attack Equalizer, Electro-Harmonix packs an amazingly powerful two-filter combination into a stompbox that makes your humbuckers sound like single coils and your Strat sound like a Tele. Place it post-distortion for the heavyweight punch of the metal masters. Knockout is also an awesome add-on to your bass effects rig! The operation is simple with a lowpass filter, a highpass filter, and a dry knob that controls the volume of the dry signal coming from the input jack. Add some punch to your sound with Knockout.


  • 6-pole High-pass Filter Control
  • 7-pole Low-pass Filter Control
  • Dry Signal Control
  • Low-frequency cutoff at 85Hz
  • High-frequency cutoff at 6.5kHz

Precise tonal control with the Electro-Harmonix Knockout!


  • Pedal Type: Attack Equalizer
  • Inputs: 1 x Instrument
  • Outputs: 1 x 1/4"
  • Battery: 1 x 9V
  • Power Supply Included: No
  • Dimensions in inches: 4.0 (w) x 4.75 (l) x 2.25 (h)

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