Products The HairBall

The HairBall

The HairBall – Dual pedal – Overdrive / BoosterThe HairBall is a dual function pedal featuring our take on a classic overdrive and booster. Angry and aggressive all in one!

The HairBall truly takes the concept of Overdrive & Boost as a combination to near insane levels. The drive is quite high in gain with a custom voiced tone circuit. It also cleans up nicely and responds well to your picking style and guitar volume setting.

The boost is where things get a little crazy. Massive level increase is possible & you can select Full Range or Treble Boost to suit your taste. The Booster has a Full Range/Treble toggle so you can focus its frequency at upper mids to help you cut through the mix. The Boost can be used on its own or stacked into the Overdrive circuit. Stacking it with the Overdrive will give you more drive. The Booster is also handy if you’re using an amp on the verge of breakup. In this case it will help to drive your amp even harder resulting in a full-on crunch – depending on how much Boost you have dialed in. (Up to 28dB).

The Overdrive is based on a tried and true ‘TS’ type circuit with a slightly tweaked tone stack to give it a unique sound. Its focus is at the midrange and treble end of the frequency sweep, designed to help you cut through the mix. There should be plenty of gain and volume on tap and the extra kick from the Boost will take you into singing lead territory.

The HairBall – dedicated to gagging cats everywhere!

The HairBall

Hairball Virtues

  • Uniquely voiced Overdrive
  • Full range or Treble Boost
  • Stackable (Boost to OD)
  • Boost can push OD or amp
  • Old school tones en masse!

Hairball Audio Snippets


The HairBall - MP3 Demo
This file will take a moment to buffer before playing

0:00 - 0:09
Strat (neck p/up) to Kustom Coupe 72 Clean Channel
0:09 - 1:25
Strat (neck p/up) to Kustom Coupe 72 Clean Channel - Hair Ball Overdrive only
1:25 - 1:45
Strat (bridge p/up) to Kustom Coupe 72 Clean Channel - Hair Ball Overdrive only
1:46 - End
Strat to Kustom Coupe 72 Clean Channel - Hair Ball Boost, Overdrive and mix of both

Let’s go to the video tape

Brett Kingman Introduces the HairBall

Artists Say what?

  • “They can be transparent but they have the power to add character as well.”
    - Dweezil Zappa
  • “…Great design work. Really easy to dial in useful musical tones!”
    - Dweezil Zappa

Reviewers Low Down

  • The HairBall: "We found this boost section an extremely valuable tool to dial in just the right sound for both leads and chugging rhythms. The treble boost position adds a nicely carved upper mid-range projection…The design of the Overdrive half of this pedal is based on the good 'old 'TS' circuit and also has good tone stack design for precisely "slotting in" your guitar sound into the track…When both Overdrive and Boost modes are switched in (a separate stomp button for each) you'll be driving your amp's pre-amp into previously unknown areas."
    - Barry Rudolph, Music Connection
  • The HairBall: "For all the ooomph The Hairball can put behind your signal, this is more than just a great rock ’n’ roll pedal—it’s practically a Swiss Army Knife of overdrive tones that even jazzers, metal heads, and country pickers may ultimately find indispensible."
    - Premier Guitar Magazine

Hairball Images

The HairBall :: Dual function Overdrive / Boost pedal

Hairball Downloads

imageSuccessfully tweak your HairBallClick here to download the secrets

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