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Walrus Audio DEFCON 4 Preamp/EQ/Boost Pedal

$299.00
Out of stock

A tone-shaping preamp built for pedalboard command-central duty, blending precise 3-band EQ control with a punchy Mosfet boost.

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Description

The Walrus DEFCON 4 hands you surgical control over your core tone before it ever hits the rest of your chain — or drops in at the end to shape what’s already there. Rather than a single global EQ curve, it splits your signal into Low, Mid, and High bands, each governed by its own rotary switch for dialing in exact frequency adjustments.

  • Independent rotary switches for Low, Mid, and High bands
  • Dedicated toggle for each band, so you can activate or bypass individual frequencies on the fly
  • Built-in Mosfet boost adding up to 10dB of clean gain

Because each band has its own on/off toggle, the DEFCON 4 works as more than an EQ pedal — it becomes a flexible preamp for correcting weak frequencies, carving space for other pedals downstream, or pushing a dirty amp harder without smearing your low end. Stack the Mosfet boost on top for a solo lift or to shove a tube amp into breakup, all without losing the tonal definition you dialed in with the band controls.

Placement is where this pedal earns its keep: run it first in the chain to tighten up a muddy guitar or bass before drive and modulation pedals, or park it at the end to act as a final EQ/boost stage feeding your amp. Either way, the DEFCON 4 gives pedalboard builders a genuinely useful tone-shaping tool rather than just another gain stage.

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Additional information

Brand Walrus Audio
Weight 0.74 lbs
Dimensions 4.67 × 3.68 × 1.54 in
MPN 900-1043
UPC 810424030879