Frazz Dazzler Dr Scientist

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The Frazz Dazzler is a dual-channel, aggressive fuzz with a wide gain range and a full 3-band equalizer.


Frazz Dazzler
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Dr Scientist Frazz Dazzler

The Frazz Dazzler is a dual-channel, aggressive fuzz with a wide gain range and a full 3-band equalizer. The Frazz uses a unique circuit topology for extremely high gain even on the low gain channel. The high gain channel offers over-the-top saturation with a built-in noise gate. Both channels make use of a variable regulator for a powerful voltage starve system resulting in a range of sounds from lower headroom/more clipping to glitchy, sub-octave tones. Like all Dr. Scientist pedals, the Frazz Dazzler can be used with guitar, bass, synths, and many other instruments.


  • Low and High gain fuzz channels with LED indicator selectable with left foot switch
  • Uniquely designed circuit
  • Active 3-Band EQ
  • Voltage starve control
  • High quality analog signal path
  • Premium parts and components throughout
  • True Bypass with soft touch relay switching
  • Full control over wet/dry mix
  • Expression pedal control over Mix
  • Buffered Input and Output
  • Top mounted audio and power jacks
  • Designed and handmade in B.C., Canada


  • BASS – Adjust the low frequencies
  • MID – Adjust the midrange frequencies
  • TREB – Adjust the high frequencies
  • MIX – Adjusts the balance between the input signal (Dry) and the effect (Wet) signal
  • GAIN – Increases the amount of distortion
  • VOLTS – Lowers the overall headroom. Produces glitchy, suboctave sounds at the lowest settings. Lower threshold adjustable with internal trim pot.
  • VOL – Controls the effect (Wet) signal level
  • Gain Footswitch – Toggles between low- and high-gain channels
  • Bypass – Engage or disengage the effect


  • 500kΩ/1kΩ
  • 100mA @ 9VDC, 2.1mm centre negative plug
  • True Bypass with soft touch relay switching

Additional Specs

  • Mono input, Mono output, TRS Expression input
  • Treble Control: +/-15dB 2nd Order peaking filter centred at 3kHz
  • Mid Control: +/-15dB 2nd Order peaking filter centred at 800Hz
  • Bass Control: +/-15dB 2nd Order peaking filter centred at 100Hz
  • Exp Input: TRS cable, 10kΩ to 100kΩ resistance
  • Dimensions: 70mm wide, 129mm long, 59mm tall (2.75” wide, 5.1” long, 2.3” tall)


What kind of expression pedal can I use?

You need to use a passive expression pedal (not powered) with 10kΩ to 100kΩ of resistance with a TRS cable with no grounded connection (ie not a volume pedal).

What does the internal trim pot do?

The internal trim pot is used to set the lowest threshold of the voltage starve knob.  To get the widest range of the Volts knob, turn the Volts and Gain knobs down, your instrument volume up, and adjust the trim pot until the pedal produces audio (It will produce suboctave tones).

What does the side jack do?

The side jack is for an expression pedal input. The pedal you plug in will take over for the Mix knob.

Two-year warranty

The Effect Factory applies a two-year replacement warranty for all manufacturer issues. For more details please visit our page terms and conditions.

Shipping in France and Belgium.

- The standard shipment (48h) is processed by Colissimo. For every order above 150 euros the shipping is free of charge. For every order under 150 euros, 10 euros will be charged for shipping fee. There is an upcharge of 4€ for shipping to Belgium.
- The fast shipment (24h) is processed by UPS. UPS only deliver in person, therefore someone must by present in order to receive the order. The fast shipment is charged 15 euros. There is an upcharge of 4€ for shipping to Belgium.

For international shipping please refer yourself to the terms and condition.


If you are not 100% satisfied with your purchase you may return it for a full refund. The return must be done within a maximum of 14 day after the receiving date. A return form must be attached to the returning product. In order to have the return form please send us an email with the purpose of your return. For more details please visit the terms and conditions.

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Shipping cost

Free shipping to France from 150 Euros

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2 years warranty

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